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8.8Yüksek KEV

CVE-2026-21513MSHTML Framework Security Feature Bypass Vulnerability

Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2 Yayım: (9 ay önce)

Aktif olarak istismar ediliyor — Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability

CISA bu açığın gerçek saldırılarda kullanıldığını 10.02.2026 tarihinde doğruladı. ABD federal kurumları için düzeltme son tarihi: 03.03.2026.

Gerekli işlem: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. https://msrc.microsoft.com/update-guide/advisory/CVE-2026-21513 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21513

Açıklama

Protection mechanism failure in MSHTML Framework allows an unauthorized attacker to bypass a security feature over a network.

Zayıflık türü (CWE): CWE-693

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

ÜreticiÜrünSürümler
microsoft windows 10 1607 10.0.14393.0 – < 10.0.14393.8868
microsoft windows 10 1809 10.0.17763.0 – < 10.0.17763.8389
microsoft windows 10 21H2 10.0.19044.0 – < 10.0.19044.6937
microsoft windows 10 22H2 10.0.19045.0 – < 10.0.19045.6937
Microsoft Windows 10 Version 1607 10.0.14393.0 – < 10.0.14393.8868
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.8389
Microsoft Windows 10 Version 21H2 10.0.19044.0 – < 10.0.19044.6937
Microsoft Windows 10 Version 22H2 10.0.19045.0 – < 10.0.19045.6937
microsoft windows 11 23H2 10.0.22631.0 – < 10.0.22631.6649
microsoft windows 11 24H2 10.0.26100.0 – < 10.0.26100.7840
microsoft windows 11 25H2 10.0.26200.0 – < 10.0.26200.7840
microsoft windows 11 26H1 10.0.28000.0 – < 10.0.28000.1575
Microsoft Windows 11 version 22H3 10.0.22631.0 – < 10.0.22631.6649
Microsoft Windows 11 Version 23H2 10.0.22631.0 – < 10.0.22631.6649
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.7840
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.7840
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.1575
Microsoft Windows Server 2012 6.2.9200.0 – < 6.2.9200.25923
Microsoft Windows Server 2012 R2 6.3.9600.0 – < 6.3.9600.23022
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – < 6.3.9600.23022
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – < 6.2.9200.25923
Microsoft Windows Server 2016 10.0.14393.0 – < 10.0.14393.8868
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – < 10.0.14393.8868
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.8389
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.8389
Microsoft Windows Server 2022 10.0.20348.0 – < 10.0.20348.4773
microsoft windows server 2022 23h2 < 10.0.25398.2149
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – < 10.0.25398.2149
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.32370
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.32370
microsoft windows server 23h2 10.0.25398.0 – < 10.0.25398.2149

Kaynaklar ve yamalar

CPE eşleşmeleri (NVD) (23)
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.8868
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.8868
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.8389
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.8389
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* < 10.0.19044.6937
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* < 10.0.19044.6937
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* < 10.0.19044.6937
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* < 10.0.19045.6937
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* < 10.0.19045.6937
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* < 10.0.19045.6937
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* < 10.0.22631.6649
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* < 10.0.22631.6649
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* < 10.0.26100.7781
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* < 10.0.26100.7781
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* < 10.0.26200.7781
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* < 10.0.26200.7781
  • cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:-:*:x64:* < 10.0.14393.8868
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:-:*:x64:* < 10.0.17763.8389
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:-:*:x64:* < 10.0.20348.4711
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:-:*:x64:* < 10.0.25398.2149
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:* < 10.0.26100.32313

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