CVE-2026-32221 — Heap-based Buffer Overflow in Microsoft Windows 11 Version 24h2

CWE-122 — Heap-based Buffer Overflow4 documents4 sources
Severity
8.4HIGHNVD
EPSS
0.0%
top 86.54%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Microsoft Windows 11 Version 24h2Microsoft Windows 11 Version 25h2Microsoft Windows 11 Version 26h1+1 more
Timeline
PublishedApr 14

Description

Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.5 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5microsoft/windows_server_202510.0.26100.0 — 10.0.26100.32690
▶CVEListV5microsoft/windows_11_version_24h210.0.26100.0 — 10.0.26100.8246
▶CVEListV5microsoft/windows_11_version_25h210.0.26200.0 — 10.0.26200.8246
▶CVEListV5microsoft/windows_11_version_26h110.0.28000.0 — 10.0.28000.1836

🔴Vulnerability Details

3
CVEList
Windows Graphics Component Remote Code Execution Vulnerability↗2026-04-14
▶
GHSA
GHSA-qm5p-p76j-g82x: Heap-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code locally↗2026-04-14
▶
VulDB
Microsoft Windows 11 24H2/11 25H2/11 26H1/Server 2025 Graphics heap-based overflow↗2026-04-14
▶
CVE-2026-32221 — Heap-based Buffer Overflow | cvebase