CVE-2026-102209
highHeap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
Vendor / product: Microsoft — windows 11 26h1
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
CVSS
7.0
7.0 (CVSS v3.1)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (secure@microsoft.com)
Timeline (UTC)
Published: 2026-10-13 19:17
Modified: 2026-10-20 18:18
NVD status: Analyzed
Last synced 1 day ago
Verified against the source API 2026-10-27 06:59 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
microsoft / windows_11_26h1 <10.0.28000.3231
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102209
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-102209 secure@microsoft.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:59 UTC · record ↗