NULL pointer dereference in Microsoft Windows 10 Version 21h2
CVE-2026-62702
Null pointer dereference in Windows Graphics Kernel allows an unauthorized attacker to deny service over a network.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Microsoft Windows 10 Version 21h2 — versions 10.0.19044.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
- Microsoft Windows 11 Version 23h2 — versions 10.0.22631.0
- 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 2022 — versions 10.0.20348.0
- Microsoft Windows Server 2025 — versions 10.0.26100.0
- Microsoft Windows Server 2025 (Server Core Installation) — versions 10.0.26100.0
Weakness classification (CWE)
References
- Windows Graphics Kernel Denial of Service Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-62702?
- CVE-2026-62702 is a medium-severity vulnerability in Microsoft Windows 10 Version 21h2, classified under NULL Pointer Dereference. CVSS score: 6.8/10. Published 2026-08-11.
- How severe is CVE-2026-62702?
- Medium severity. CVSS v3 base score is 6.8 out of 10.