CVE-2026-69639CWE-122
CVE-2026-69639
Critical · published October 13, 2026
What it is
Heap-based buffer overflow in Windows Libarchive allows an unauthorized attacker to execute code over a network.
The record
Technical detail
- CVSS v3.1
- 9.8 · CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00790 · 55.8th percentile
- Weakness
- CWE-122 · Heap-based Buffer Overflow
- Published
- 2026-10-13T23:18Z
References (1)
EPSS history
Timeline