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Win32k Elevation of Privilege Vulnerability

🗓️ 12 May 2026 14:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 6 Views

Win32k use-after-free allows local privilege elevation via ICOMP in Windows.

Related
Detection
ReporterTitlePublishedViews
Family
Circl
CVE-2026-33840
12 May 202615:52
circl
CNNVD
Microsoft Win32k 资源管理错误漏洞
12 May 202600:00
cnnvd
CVE
CVE-2026-33840
12 May 202616:58
cve
Cvelist
CVE-2026-33840 Win32k Elevation of Privilege Vulnerability
12 May 202616:58
cvelist
EUVD
EUVD-2026-29586
12 May 202618:30
euvd
Microsoft KB
May 12, 2026—Hotpatch KB5087423 (OS Build 26100.32772)
12 May 202614:00
mskb
Microsoft KB
May 12, 2026—KB5087539(OS Build 26100.32860)
12 May 202614:00
mskb
Microsoft KB
May 12, 2026—KB5089548 (OS Build 28000.2113)
12 May 202614:00
mskb
NCSC
Vulnerabilities in Microsoft Windows
2 Jun 202611:33
ncsc
NVD
CVE-2026-33840
12 May 202618:17
nvd
Rows per page
Vulners
Node
microsoftwindows_11_26h1Range<10.0.28000.2113x64
OR
microsoftwindows_11_26h1Range<10.0.28000.2113x64
OR
microsoftwindows_server_2025Range<10.0.26100.32860
OR
microsoftwindows_server_2025Range<10.0.26100.32772
OR
microsoftwindows_11_24h2Range<10.0.26100.8457x64
OR
microsoftwindows_11_24h2Range<10.0.26100.8390x64
OR
microsoftwindows_11_24h2Range<10.0.26100.8457x64
OR
microsoftwindows_11_24h2Range<10.0.26100.8390x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8457x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8390x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8457x64
OR
microsoftwindows_11_25h2Range<10.0.26200.8390x64
OR
microsoftwindows_server_2025Range<10.0.26100.32860
OR
microsoftwindows_server_2025Range<10.0.26100.32772

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19 May 2026 14:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.8
EPSS0.00066
SSVC
6