The remote Windows host is missing security update 5122871. It is, therefore, affected by multiple vulnerabilities

  - Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to     execute code over a network. (CVE-2026-68839)

  - Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized     attacker to execute code over a network. (CVE-2026-69276)

  - Integer overflow or wraparound in Microsoft Windows Media Foundation allows an unauthorized attacker to     execute code over a network. (CVE-2026-69408)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Windows host is missing security update 5122880. It is, therefore, affected by multiple vulnerabilities

  - Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to     execute code over a network. (CVE-2026-68839)

  - Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized     attacker to execute code over a network. (CVE-2026-69276)

  - Integer overflow or wraparound in Microsoft Windows Media Foundation allows an unauthorized attacker to     execute code over a network. (CVE-2026-69408)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Windows host is missing security update 5124012. It is, therefore, affected by multiple vulnerabilities

  - Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to     execute code over a network. (CVE-2026-68839)

  - Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized     attacker to execute code over a network. (CVE-2026-69276)

  - Integer overflow or wraparound in Microsoft Windows Media Foundation allows an unauthorized attacker to     execute code over a network. (CVE-2026-69408)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Windows host is missing security update 5124008. It is, therefore, affected by multiple vulnerabilities

  - Heap-based buffer overflow in Windows USB Mass Storage Class Driver allows an unauthorized attacker to     execute code over a network. (CVE-2026-68839)

  - Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized     attacker to execute code over a network. (CVE-2026-69276)

  - Integer overflow or wraparound in Microsoft Windows Media Foundation allows an unauthorized attacker to     execute code over a network. (CVE-2026-69408)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
343859	KB5122871: Windows Server 2025 Security Update (September 2026)	Nessus	Windows : Microsoft Bulletins	9/8/2026	9/8/2026	critical
343863	KB5122880: Windows 11 version 23H2 Security Update (September 2026)	Nessus	Windows : Microsoft Bulletins	9/8/2026	9/8/2026	critical
343861	KB5124012: Windows 11 Version 26H1 Security Update (September 2026)	Nessus	Windows : Microsoft Bulletins	9/8/2026	9/8/2026	critical
343862	KB5124008: Windows 11 Version 24H2 / 25H2 / 26H2 Security Update (September 2026)	Nessus	Windows : Microsoft Bulletins	9/8/2026	9/8/2026	critical

Detections

Analytics

Plugins Search

critical

critical

critical

critical