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CVE-2026-33839

Win32k Elevation of Privilege Vulnerability PUBLISHED

Description (CNA)

No English CNA description was supplied.

Affected (CNA)

Vendor / product	Versions
Microsoft / Windows 10 Version 1809	affected 10.0.17763.0 before 10.0.17763.8755
Microsoft / Windows 10 Version 21H2	affected 10.0.19044.0 before 10.0.19044.7291
Microsoft / Windows 10 Version 22H2	affected 10.0.19045.0 before 10.0.19045.7417
Microsoft / Windows 11 version 23H2	affected 10.0.22631.0 before 10.0.22631.7079
Microsoft / Windows 11 Version 23H2	affected 10.0.22631.0 before 10.0.22631.7219
Microsoft / Windows 11 Version 24H2	affected 10.0.26100.0 before 10.0.26100.8457
Microsoft / Windows 11 Version 25H2	affected 10.0.26200.0 before 10.0.26200.8457
Microsoft / Windows 11 version 26H1	affected 10.0.28000.0 before 10.0.28000.2113
Microsoft / Windows Server 2019	affected 10.0.17763.0 before 10.0.17763.8755
Microsoft / Windows Server 2019 (Server Core installation)	affected 10.0.17763.0 before 10.0.17763.8755
Microsoft / Windows Server 2022	affected 10.0.20348.0 before 10.0.20348.5139
Microsoft / Windows Server 2022, 23H2 Edition (Server Core installation)	affected 10.0.25398.0 before 10.0.25398.2330
Microsoft / Windows Server 2025	affected 10.0.26100.0 before 10.0.26100.32860
Microsoft / Windows Server 2025 (Server Core installation)	affected 10.0.26100.0 before 10.0.26100.32860

CWE

CWE-362

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33839

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.