VULNERABILITY INTELLIGENCE

CVE-2026-69639

CVSS score9.8 CRITICAL
EPSS probability0.95%
CISA KEVNot currently listed
Published2026-10-13
Last modified2026-10-26
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.

Weakness classification

  • secure@microsoft.com: CWE-122

Primary references