CVE-2022-21882
HIGHCVSS 7.8/10Actively ExploitedEPSS 55.71%
Last modified
CVE-2022-21882 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Win32k Elevation of Privilege Vulnerability. CISA has confirmed active exploitation in the wild. EPSS estimates a 55.71% chance of exploitation in the next 30 days.
Description
Win32k Elevation of Privilege Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitation Status
This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by .
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Windows 10 1809 | < 10.0.17763.2452 |
| Microsoft | Windows 10 1909 | < 10.0.18363.2037 |
| Microsoft | Windows 10 20h2 | < 10.0.19042.1466 |
| Microsoft | Windows 10 21h1 | < 10.0.19043.1466 |
| Microsoft | Windows 10 21h2 | < 10.0.19044.1466 |
| Microsoft | Windows 11 21h2 | < 10.0.22000.434 |
| Microsoft | Windows Server 2019 | < 10.0.17763.2452 |
| Microsoft | Windows Server 2022 | < 10.0.20348.469 |
| Microsoft | Windows Server 20h2 | < 10.0.19042.1466 |
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21882Patch, Vendor Advisory
- http://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.htmlThird Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21882Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21882US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2022-21882?
Win32k Elevation of Privilege Vulnerability
How severe is CVE-2022-21882?
CVE-2022-21882 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 55.71% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2022-21882?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-21882?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST