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CVE-2026-20863

🗓️ 13 Jan 2026 18:16:15Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev👁 15 Views

CVE-2026-20863: a double free in Windows Win32K ICOMP enables a local attacker to elevate privileges.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-20863
13 Jan 202617:56
–attackerkb
bdu_fstec
BDU FSTEC
Win32k.sys Privilege Escalation
21 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2026-20863
13 Jan 202618:01
–circl
cnnvd
CNNVD
Microsoft Win32k 资源管理错误漏洞
13 Jan 202600:00
–cnnvd
cve
CVE
CVE-2026-20863
13 Jan 202617:56
–cve
cvelist
Cvelist
CVE-2026-20863 Win32k Elevation of Privilege Vulnerability
13 Jan 202617:56
–cvelist
euvd
EUVD
EUVD-2026-2183
13 Jan 202617:56
–euvd
mskb
Microsoft KB
January 13, 2026—KB5073379 (OS Build 26100.32230)
13 Jan 202616:00
–mskb
mskb
Microsoft KB
January 13, 2026—KB5073450 (OS Build 25398.2092)
13 Jan 202616:00
–mskb
mskb
Microsoft KB
January 13, 2026—KB5073455 (OS Build 22631.6491)
13 Jan 202616:00
–mskb
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04 May 2026 08:48Current
7High risk
Vulners AI Score7
CVSS 3.17
EPSS0.00389
15