CRITICAL 8 min read 14 Oct 2026

Multiple vulnerabilities in Microsoft Windows Leads Today's Security Review

Threat Level: Critical Tags: cve-2026-108457, cve-2026-96951, cve-2026-69978, cve-2026-70115, cve-2026-70136, cve-2026-70141, cve-2026-70173, cve-2026-70150, cve-2026-70177, cve-2026-70156

Key findings
01
Multiple vulnerabilities in Microsoft Windows
CRITICAL
Microsoft Windows carries 32 CVEs across 2 advisories: Command Injection; PDF Remote Code Execution Vulnerability; Command Injection Vulnerability — Windows; VMSwitch Denial of Service Vulnerability; Search Component Elevation of Privilege Vulnerability; Search Component Information Disclosure Vulnerability; Media Foundation Elevation of Privilege Vulnerability; QoS Scheduler Driver Elevation of Privilege Vulnerability; Media Foundation Information Disclosure Vulnerability; Codecs Library Denial of Service Vulnerability.
02
Ubuntu Linux kernel fixes across USN-8920-1 and USN-8924-1
CRITICAL
Ubuntu released kernel updates covering 21 distinct CVEs across legacy, cloud, FIPS, and IBM kernel packages. The flaws span memory-safety, networking, filesystems, tracing, io_uring, NFS, Bluetooth, and information-disclosure paths; installed third-party kernel modules may require recompilation after the ABI change.
03
Docker Hub flaw let attackers impersonate users, tamper with images
CRITICAL
CVE-2026-105445 was a critical Docker Hub authorization flaw that allowed a personal access token belonging to one account to act as another user, exposing private repositories and enabling image push, overwrite, or deletion.
04
Ghostscript flaw lets hackers hijack servers via PDF uploads
CRITICAL
A critical heap buffer overflow vulnerability (CVE-2026-39919) in the Ghostscript interpreter and rendering engine could allow remote code execution through specially crafted PDF files.
05
Ivanti Connect Secure: Authentication Bypass by Spoofing
HIGH
An attacker chained three zero-day flaws in Ivanti Connect Secure, a VPN appliance, to run commands as root without logging in, security firm Volexity said on October 13.
06
Multiple vulnerabilities in FFmpeg
HIGH
Momoko Shiraishi discovered that FFmpeg did not correctly handle certain memory operations. An attacker could possibly use this issue to execute arbitrary code. The notice covers 8 CVEs, including CVE-2026-30754.
07
Multiple vulnerabilities in Linux kernel
HIGH
Ubuntu fixed CVE-2022-49111 and CVE-2022-49114 in legacy Linux kernel packages, addressing SCSI and Bluetooth subsystem flaws that could compromise affected systems. The update changes the kernel ABI and can require third-party kernel modules to be rebuilt.
08
Multiple vulnerabilities in Swann Communications SWIFI-SE2KIC
MEDIUM
CISA disclosed three missing-authentication flaws in Swann SWIFI-SE2KIC firmware 2.0.22 and earlier. A local-network attacker can access live video or snapshots without authentication; no public exploitation is known, and CISA recommends network isolation while awaiting updated firmware.
09
FortiSandbox: Authentication Bypass Using an Alternate Path or Channel
INFO
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] in FortiSandbox GUI may allow a remote unauthenticated attacker to bypass authentication via crafted HTTP requests.
10
FortiSandbox and FortiSandbox Cloud API: Use of Hard-coded Cryptographic Key
INFO
A Use of Hard-coded Cryptographic Key [CWE-321] in FortiSandbox and FortiSandbox Cloud API may allow an unauthenticated attacker to access some endpoints via specially crafted HTTP requests
11
FortiOS: Improper Locking
INFO
An Improper Locking vulnerability [CWE-667] in FortiOS may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests.
12
FortiManager and FortiAnalyzer: Improper neutralization of script-related HTML tags
INFO
An improper neutralization of script-related HTML tags in a web page in FortiManager and FortiAnalyzer may allow an attacker to perform a cross site scripting (XSS) attack via the Identify Provider name field.
13
FortiSandbox: Uncaught Exception
INFO
An Uncaught Exception vulnerability [CWE-248] in FortiSandbox may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.
14
FortiSIEM: Missing Authorization
INFO
A missing authorization vulnerability [CWE-862] in FortiSIEM GUI may allow an authenticated attacker to execute unauthorized code or commands via Specially crafted HTTP requests
15
FortiOS, FortiProxy and FortiSwitch: Double Free
INFO
A Double Free vulnerability [CWE-415] in FortiOS, FortiProxy and FortiSwitch may allow a local authenticated attacker to crash the newcli daemon via crafted CLI commands.

Executive assessment

Today's brief leads with Multiple vulnerabilities in Microsoft Windows. All 15 selected findings retain their own technical scope, action, observed status, and evidence limits.

Finding 01 — Multiple vulnerabilities in Microsoft Windows

What changed: Microsoft Windows carries 32 CVEs across 2 advisories: Command Injection; PDF Remote Code Execution Vulnerability; Command Injection Vulnerability — Windows; VMSwitch Denial of Service Vulnerability; Search Component Elevation of Privilege Vulnerability; Search Component Information Disclosure Vulnerability; Media Foundation Elevation of Privilege Vulnerability; QoS Scheduler Driver Elevation of Privilege Vulnerability; Media Foundation Information Disclosure Vulnerability; Codecs Library Denial of Service Vulnerability. CVE coverage: CVE-2026-108457, CVE-2026-96951, CVE-2026-69978, CVE-2026-70115, CVE-2026-70136, CVE-2026-70141, CVE-2026-70173, CVE-2026-70150, CVE-2026-70177, CVE-2026-70156, CVE-2026-70278, CVE-2026-83704, CVE-2026-70086, CVE-2026-85869, CVE-2026-88160, CVE-2026-87712, CVE-2026-70044, CVE-2026-70131, CVE-2026-83686, CVE-2026-83829, CVE-2026-83850, CVE-2026-88182, CVE-2026-88191, CVE-2026-96186, CVE-2026-96324, CVE-2026-96911, CVE-2026-96910, CVE-2026-96937, CVE-2026-102199, CVE-2026-102201, CVE-2026-105010, CVE-2026-108136.

Technical evidence: CVE-2026-108457; CVSS v3.1 8.1; weakness CWE-787; technical confidence High.

Why it matters: Reported active exploitation elevates this above routine patching: validate exposure immediately, remediate, and assess for prior compromise.

Observed status: Observed in-the-wild exploitation is confirmed.

Action: Map CVE-2026-108457 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

Evidence limits: fixed version or patch state unknown

[Evidence source: msrc.microsoft.com](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-108457)

Finding 02 — Ubuntu Linux kernel fixes across USN-8920-1 and USN-8924-1

What changed: Ubuntu released kernel updates covering 21 distinct CVEs across legacy, cloud, FIPS, and IBM kernel packages. The flaws span memory-safety, networking, filesystems, tracing, io_uring, NFS, Bluetooth, and information-disclosure paths; installed third-party kernel modules may require recompilation after the ABI change.

Technical evidence: CVE-2026-53131; CVSS v3.1 9.4; technical confidence High.

Why it matters: The Critical priority moves this beyond routine tracking and requires exposure validation, remediation, and compromise assessment.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Map CVE-2026-53131 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

[Evidence source: ubuntu.com](https://ubuntu.com/security/notices/USN-8924-1)

Finding 03 — Docker Hub flaw let attackers impersonate users, tamper with images

What changed: CVE-2026-105445 was a critical Docker Hub authorization flaw that allowed a personal access token belonging to one account to act as another user, exposing private repositories and enabling image push, overwrite, or deletion. Docker fixed the server-side issue; affected organizations should review repository activity and rotate potentially exposed tokens.

Technical evidence: CVE-2026-105445; CVSS v4.0 9.4; weakness CWE-266; technical confidence High.

Why it matters: The Critical priority moves this beyond routine tracking and requires exposure validation, remediation, and compromise assessment.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Map CVE-2026-105445 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

Evidence limits: fixed version or patch state unknown

[Evidence source: bleepingcomputer.com](https://www.bleepingcomputer.com/news/security/docker-hub-flaw-let-attackers-impersonate-users-tamper-with-images/)

Finding 04 — Ghostscript flaw lets hackers hijack servers via PDF uploads

What changed: A critical heap buffer overflow vulnerability (CVE-2026-39919) in the Ghostscript interpreter and rendering engine could allow remote code execution through specially crafted PDF files.

Technical evidence: CVE-2026-39919; CVSS v4.0 9.3; weakness CWE-122; technical confidence High.

Why it matters: The Critical priority moves this beyond routine tracking and requires exposure validation, remediation, and compromise assessment.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Map CVE-2026-39919 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

Evidence limits: fixed version or patch state unknown

[Evidence source: bleepingcomputer.com](https://www.bleepingcomputer.com/news/security/ghostscript-flaw-lets-hackers-hijack-servers-via-pdf-uploads/)

Finding 05 — Ivanti Connect Secure: Authentication Bypass by Spoofing

What changed: An attacker chained three zero-day flaws in Ivanti Connect Secure, a VPN appliance, to run commands as root without logging in, security firm Volexity said on October 13. Ivanti has released fixes for two of the flaws and told customers on affected versions to "act immediately." A fix for the third is still pending, according to Volexity.

Technical evidence: CVE-2026-104935; CVSS v3.1 8.6; weakness CWE-290; technical confidence High.

Why it matters: Reported active exploitation elevates this above routine patching: validate exposure immediately, remediate, and assess for prior compromise.

Observed status: Observed in-the-wild exploitation is confirmed.

Action: Map CVE-2026-104935 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

[Evidence source: thehackernews.com](https://thehackernews.com/2026/10/attacker-chains-three-ivanti-connect.html)

Finding 06 — Multiple vulnerabilities in FFmpeg

What changed: Momoko Shiraishi discovered that FFmpeg did not correctly handle certain memory operations. An attacker could possibly use this issue to execute arbitrary code.

Technical evidence: CVE-2026-30754; CVSS v3.1 8.8; weakness CWE-787; technical confidence High.

Why it matters: The High priority moves this beyond routine tracking and requires exposure validation, remediation, and compromise assessment.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Map CVE-2026-30754 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

Evidence limits: fixed version or patch state unknown

[Evidence source: ubuntu.com](https://ubuntu.com/security/notices/USN-8915-1)

Finding 07 — Multiple vulnerabilities in Linux kernel

What changed: Ubuntu fixed CVE-2022-49111 and CVE-2022-49114 in legacy Linux kernel packages, addressing SCSI and Bluetooth subsystem flaws that could compromise affected systems. The update changes the kernel ABI and can require third-party kernel modules to be rebuilt.

Technical evidence: CVE-2022-49111; CVSS v3.1 7.8; weakness CWE-416; technical confidence Medium.

Why it matters: The High priority moves this beyond routine tracking and requires exposure validation, remediation, and compromise assessment.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Map CVE-2022-49111 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

Evidence limits: fixed version or patch state unknown

[Evidence source: ubuntu.com](https://ubuntu.com/security/notices/USN-8923-1)

Finding 08 — Multiple vulnerabilities in Swann Communications SWIFI-SE2KIC

What changed: CISA disclosed three missing-authentication flaws in Swann SWIFI-SE2KIC firmware 2.0.22 and earlier. A local-network attacker can access live video or snapshots without authentication; no public exploitation is known, and CISA recommends network isolation while awaiting updated firmware.

Technical evidence: CVE-2026-107605; CVSS v4.0 5.9; weakness CWE-306; technical confidence High.

Why it matters: The Medium priority requires exposure validation and scheduled remediation through normal change control.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Map CVE-2026-107605 to owned assets, confirm the affected and fixed versions in the cited source, deploy the applicable remediation, and retain evidence of the exposure decision.

Evidence limits: fixed version or patch state unknown

[Evidence source: cisa.gov](https://www.cisa.gov/news-events/ics-advisories/icsa-26-286-02)

Finding 09 — FortiSandbox: Authentication Bypass Using an Alternate Path or Channel

What changed: An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] in FortiSandbox GUI may allow a remote unauthenticated attacker to bypass authentication via crafted HTTP requests.

Why it matters: The cited reporting affects widely deployed technology, so exposure validation and source verification need explicit ownership.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Review the cited source, validate exposure of the affected technology in owned environments, apply available vendor guidance, and retain evidence of the exposure decision.

Evidence limits: grounded severity unavailable

fixed version or patch state unknown

[Evidence source: fortiguard.fortinet.com](https://fortiguard.fortinet.com/psirt/cvrf/FG-IR-26-185)

Finding 10 — FortiSandbox and FortiSandbox Cloud API: Use of Hard-coded Cryptographic Key

What changed: A Use of Hard-coded Cryptographic Key [CWE-321] in FortiSandbox and FortiSandbox Cloud API may allow an unauthenticated attacker to access some endpoints via specially crafted HTTP requests

Why it matters: The cited reporting affects widely deployed technology, so exposure validation and source verification need explicit ownership.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Review the cited source, validate exposure of the affected technology in owned environments, apply available vendor guidance, and retain evidence of the exposure decision.

Evidence limits: grounded severity unavailable

fixed version or patch state unknown

[Evidence source: fortiguard.fortinet.com](https://fortiguard.fortinet.com/psirt/cvrf/FG-IR-26-179)

Finding 11 — FortiOS: Improper Locking

What changed: An Improper Locking vulnerability [CWE-667] in FortiOS may allow an unauthenticated attacker with network access to the device to cause a denial of service of the HTTPS management interface via crafted HTTP requests.

Why it matters: The cited reporting affects widely deployed technology, so exposure validation and source verification need explicit ownership.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Review the cited source, validate exposure of the affected technology in owned environments, apply available vendor guidance, and retain evidence of the exposure decision.

Evidence limits: grounded severity unavailable

fixed version or patch state unknown

[Evidence source: fortiguard.fortinet.com](https://fortiguard.fortinet.com/psirt/cvrf/FG-IR-26-181)

Finding 12 — FortiManager and FortiAnalyzer: Improper neutralization of script-related HTML tags

What changed: An improper neutralization of script-related HTML tags in a web page in FortiManager and FortiAnalyzer may allow an attacker to perform a cross site scripting (XSS) attack via the Identify Provider name field.

Why it matters: The cited reporting affects widely deployed technology, so exposure validation and source verification need explicit ownership.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Review the cited source, validate exposure of the affected technology in owned environments, apply available vendor guidance, and retain evidence of the exposure decision.

Evidence limits: grounded severity unavailable

fixed version or patch state unknown

[Evidence source: fortiguard.fortinet.com](https://fortiguard.fortinet.com/psirt/cvrf/FG-IR-20-005)

Finding 13 — FortiSandbox: Uncaught Exception

What changed: An Uncaught Exception vulnerability [CWE-248] in FortiSandbox may allow a privileged attacker to deny access to the GUI and CLI persistently via crafted HTTP requests.

Why it matters: The cited reporting affects widely deployed technology, so exposure validation and source verification need explicit ownership.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Review the cited source, validate exposure of the affected technology in owned environments, apply available vendor guidance, and retain evidence of the exposure decision.

Evidence limits: grounded severity unavailable

fixed version or patch state unknown

[Evidence source: fortiguard.fortinet.com](https://fortiguard.fortinet.com/psirt/cvrf/FG-IR-26-176)

Finding 14 — FortiSIEM: Missing Authorization

What changed: A missing authorization vulnerability [CWE-862] in FortiSIEM GUI may allow an authenticated attacker to execute unauthorized code or commands via Specially crafted HTTP requests

Why it matters: The cited reporting affects widely deployed technology, so exposure validation and source verification need explicit ownership.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Review the cited source, validate exposure of the affected technology in owned environments, apply available vendor guidance, and retain evidence of the exposure decision.

Evidence limits: grounded severity unavailable

fixed version or patch state unknown

[Evidence source: fortiguard.fortinet.com](https://fortiguard.fortinet.com/psirt/cvrf/FG-IR-26-183)

Finding 15 — FortiOS, FortiProxy and FortiSwitch: Double Free

What changed: A Double Free vulnerability [CWE-415] in FortiOS, FortiProxy and FortiSwitch may allow a local authenticated attacker to crash the newcli daemon via crafted CLI commands.

Why it matters: The cited reporting affects widely deployed technology, so exposure validation and source verification need explicit ownership.

Observed status: Observed in-the-wild exploitation status is unknown.

Action: Review the cited source, validate exposure of the affected technology in owned environments, apply available vendor guidance, and retain evidence of the exposure decision.

Evidence limits: grounded severity unavailable

fixed version or patch state unknown

[Evidence source: fortiguard.fortinet.com](https://fortiguard.fortinet.com/psirt/cvrf/FG-IR-26-182)

cve-2022-49111cve-2026-104935cve-2026-105445cve-2026-107605cve-2026-108457cve-2026-30754cve-2026-39919cve-2026-53131cve-2026-69978cve-2026-70115

Act on this brief

Map detection coverage gaps for the techniques above, or generate Sigma rules from the named CVEs.