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[ CVE-2026-70343 · Published 13 Oct 2026 ]

Vulnerability in Microsoft MPEG-2 Video Extension

CVSS 8.8 EPSS <1%2 agency advisoriesNo fix listed yet

[ Description ]Official description

Heap-based buffer overflow in Microsoft MPEG-2 Video Extension allows an unauthorized attacker to execute code over a network.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

  • CERT-FRCERTFR-2026-AVI-1316

    Multiple vulnerabilities in Microsoft products Translated from French

    Multiple vulnerabilities have been discovered in Microsoft products. Some of them allow an attacker to cause remote arbitrary code execution, privilege escalation and remote denial of service.

    CVE-2026-88086CVE-2026-70007CVE-2026-70179+141 more CVEs
  • BSI CERT-BundWID-SEC-2026-3892

    Microsoft Windows and Windows Server: Multiple vulnerabilities Translated from German

    CVE-2026-69968CVE-2026-83785CVE-2026-72968+1124 more CVEs

[ References ]References