Buffer overflow in Microsoft Windows_11_24h2
CVE-2026-32223
Heap-based buffer overflow in Windows USB Print Driver allows an unauthorized attacker to elevate privileges with a physical attack.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (23.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows_11_24h2
- Microsoft Windows_11_25h2
- Microsoft Windows_11_26h1
- Microsoft Windows 11 Version 24h2 — versions 10.0.26100.0
- Microsoft Windows 11 Version 25h2 — versions 10.0.26200.0
- Microsoft Windows 11 Version 26h1 — versions 10.0.28000.0
- Microsoft Windows Server 2025 — versions 10.0.26100.0
- Microsoft Windows_server_2025
- Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2026-32223?
- CVE-2026-32223 is a medium-severity vulnerability in Microsoft Windows_11_24h2, classified under Heap-based Buffer Overflow. CVSS score: 6.8/10. Published 2026-04-14.
- How severe is CVE-2026-32223?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2026-32223 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.