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CVE-2026-70343

8.8 high SSVC exploitation: none Published
NVD · CVE.org

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

Fix

Microsoft's update · Important

  • Store App — MPEG-2 Video Extension · build 1.2.32.0

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-10-28 · Exploitation Unlikely.

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 2

  1. StatusAwaiting Analysis → PublishedNVD modified 2026-10-19 19:40
  2. First seenCVSS 8.8NVD modified 2026-10-13 21:18

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1