Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.

The remote Windows host is missing security update 5075906. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an     authorized attacker to elevate privileges locally. (CVE-2026-21519)

  - Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
    (CVE-2026-21244, CVE-2026-21248)

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 5075999. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an     authorized attacker to elevate privileges locally. (CVE-2026-21519)

  - Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
    (CVE-2026-21244, CVE-2026-21248)

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 5075970. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate     privileges locally. (CVE-2026-21246)

  - Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges     locally. (CVE-2026-21235)

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 5075941. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an     authorized attacker to elevate privileges locally. (CVE-2026-21519)

  - Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
    (CVE-2026-21244, CVE-2026-21248)

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 5077179. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an     authorized attacker to elevate privileges locally. (CVE-2026-21519)

  - Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
    (CVE-2026-21244, CVE-2026-21248)

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 5075971. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate     privileges locally. (CVE-2026-21246)

  - Use after free in Microsoft Graphics Component allows an authorized attacker to elevate privileges     locally. (CVE-2026-21235)

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 5075912. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an     authorized attacker to elevate privileges locally. (CVE-2026-21519)

  - Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
    (CVE-2026-21244, CVE-2026-21248)

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 5075904. It is, therefore, affected by multiple vulnerabilities

  - Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security     feature over a network. (CVE-2026-21513)

  - Access of resource using incompatible type ('type confusion') in Desktop Window Manager allows an     authorized attacker to elevate privileges locally. (CVE-2026-21519)

  - Heap-based buffer overflow in Windows Hyper-V allows an authorized attacker to execute code locally.
    (CVE-2026-21244, CVE-2026-21248)

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	Severity
298562	KB5075906: Windows Server 2022 / Azure Stack HCI 22H2 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high
298556	KB5075999: Windows 10 Version 1607 / Windows Server 2016 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high
298555	KB5075970: Windows Server 2012 R2 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high
298554	KB5075941: Windows 11 version 23H2 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high
298553	KB5077179: Windows 11 Version 26H1 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high
298552	KB5075971: Windows Server 2012 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high
298549	KB5075912: Windows 10 version 21H2 / Windows 10 Version 22H2 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high
298548	KB5075904: Windows 10 version 1809 / Windows Server 2019 Security Update (February 2026)	Nessus	Windows : Microsoft Bulletins	high

Detections

Analytics

CVE-2026-21235

high

Tenable Plugins

high

high

high

high

high

high

high

high