Buffer overflow in Microsoft Windows 11 Version 22h2
CVE-2024-26256
Libarchive Remote Code Execution Vulnerability
Vulnerability class: Buffer Overflow
EPSS: 0.878 (99.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Windows 11 Version 22h2 — versions 10.0.22621.0
- Microsoft Windows 11 Version 22h3 — versions 10.0.22631.0
- Microsoft Windows 11 Version 23h2 — versions 10.0.22631.0
- Microsoft Windows Server 2022, 23h2 Edition (Server Core Installation) — versions 10.0.25398.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Libarchive Remote Code Execution Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2024-26256?
- CVE-2024-26256 is a high-severity vulnerability in Microsoft Windows 11 Version 22h2, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2024-04-09.
- How severe is CVE-2024-26256?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-26256 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.