Lucene search
+L

CVE-2026-20920

🗓️ 13 Jan 2026 17:56:38Reported by microsoftType 
cve
 cve
🔗 web.nvd.nist.gov👁 92 Views

CVE-2026-20920 is a Win32k elevation of privilege vulnerability.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-20920
13 Jan 202617:56
–attackerkb
bdu_fstec
BDU FSTEC
Win32k.sys Privilege Escalation
15 Jan 202600:00
–bdu_fstec
circl
Circl
CVE-2026-20920
13 Jan 202618:01
–circl
cnnvd
CNNVD
Microsoft Win32k Resource Management Vulnerability
13 Jan 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-20920 Win32k Elevation of Privilege Vulnerability
13 Jan 202617:56
–cvelist
euvd
EUVD
EUVD-2026-2137
13 Jan 202617:56
–euvd
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
mskb
Microsoft KB
January 13, 2026—KB5073457 (OS Build 20348.4648)
13 Jan 202616:00
–mskb
mscve
Microsoft CVE
Win32k Elevation of Privilege Vulnerability
13 Jan 202616:00
–mscve
Rows per page
NVD
Vulners
CNA
Node
OR
microsoftwindows_11_23h2Range<10.0.22631.6491
microsoftwindows_server_2022Range<10.0.20348.4648
[
  {
    "vendor": "Microsoft",
    "product": "Windows 11 version 23H2",
    "platforms": [
      "ARM64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.6491",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows 11 Version 23H2",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.22631.0",
        "lessThan": "10.0.22631.6491",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.20348.0",
        "lessThan": "10.0.20348.4648",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "Microsoft",
    "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
    "platforms": [
      "x64-based Systems"
    ],
    "versions": [
      {
        "version": "10.0.25398.0",
        "lessThan": "10.0.25398.2092",
        "versionType": "custom",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

30 Jul 2026 21:17Current
7.5High risk
Vulners AI Score7.5
CVSS 3.17.8
EPSS0.00493
SSVC
92