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Win32k Elevation of Privilege Vulnerability

🗓️ 13 Jan 2026 16:00:00Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 1 Views

Win32k privilege escalation via double free in Windows Win32K ICOMP allowing privilege elevation.

Related
Detection
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-20863
13 Jan 202617:56
attackerkb
Circl
CVE-2026-20863
13 Jan 202618:01
circl
CNNVD
Microsoft Win32k 资源管理错误漏洞
13 Jan 202600:00
cnnvd
CVE
CVE-2026-20863
13 Jan 202617:56
cve
Cvelist
CVE-2026-20863 Win32k Elevation of Privilege Vulnerability
13 Jan 202617:56
cvelist
EUVD
EUVD-2026-2183
13 Jan 202617:56
euvd
Microsoft KB
January 13, 2026—KB5073379 (OS Build 26100.32230)
13 Jan 202616:00
mskb
Microsoft KB
January 13, 2026—KB5073450 (OS Build 25398.2092)
13 Jan 202616:00
mskb
Microsoft KB
January 13, 2026—KB5073455 (OS Build 22631.6491)
13 Jan 202616:00
mskb
Microsoft KB
January 13, 2026—KB5073457 (OS Build 20348.4648)
13 Jan 202616:00
mskb
Rows per page
Vulners
Node
microsoftwindows_server_2025Range<10.0.26100.32230
OR
microsoftwindows_11_24h2Range<10.0.26100.7623x64
OR
microsoftwindows_11_24h2Range<10.0.26100.7623x64
OR
microsoftwindows_server_23h2Range<10.0.25398.2092
OR
microsoftwindows_11_23h2Range<10.0.22631.6491x64
OR
microsoftwindows_11_23h2Range<10.0.22631.6491x64
OR
microsoftwindows_11_2h2Range<10.0.26200.7623x64
OR
microsoftwindows_11_25h2Range<10.0.26200.7623x64
OR
microsoftwindows_server_2025Range<10.0.26100.32230
OR
microsoftwindows_server_2022Range<10.0.20348.4648
OR
microsoftwindows_server_2022Range<10.0.20348.4648

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13 Jan 2026 16:00Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17
EPSS0.00046
SSVC
1