CVE-2021-1732
HIGHCVSS 7.8/10Actively ExploitedEPSS 77.76%
Last modified
CVE-2021-1732 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Windows Win32k Elevation of Privilege Vulnerability. CISA has confirmed active exploitation in the wild. EPSS estimates a 77.76% chance of exploitation in the next 30 days.
Description
Windows Win32k Elevation of Privilege Vulnerability
Metrics
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 1803 | All versions |
| Microsoft | Windows 10 1809 | All versions |
| Microsoft | Windows 10 1909 | All versions |
| Microsoft | Windows 10 2004 | All versions |
| Microsoft | Windows 10 20h2 | All versions |
| Microsoft | Windows Server 1909 | All versions |
| Microsoft | Windows Server 2004 | All versions |
| Microsoft | Windows Server 2019 | All versions |
| Microsoft | Windows Server 20h2 | All versions |
References
- https://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732Patch, Vendor Advisory
- https://packetstormsecurity.com/files/161880/Win32k-ConsoleControl-Offset-Confusion.htmlExploit, Third Party Advisory, VDB Entry
- https://packetstormsecurity.com/files/166169/Win32k-ConsoleControl-Offset-Confusion-Privilege-Escalation.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1732Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-1732US Government Resource
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2021-1732?
Windows Win32k Elevation of Privilege Vulnerability
How severe is CVE-2021-1732?
CVE-2021-1732 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 77.76% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.
How do I fix CVE-2021-1732?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2021
- CVE-2021-1726Microsoft SharePoint Server Spoofing Vulnerability8
- CVE-2021-1727Windows Installer Elevation of Privilege Vulnerability7.8
- CVE-2021-1728System Center Operations Manager Elevation of Privilege Vuln…8.8
- CVE-2021-1729Windows Update Stack Setup Elevation of Privilege Vulnerabil…7.1
- CVE-2021-1730<p>A spoofing vulnerability exists in Microsoft Exchange Ser…5.4
- CVE-2021-1731PFX Encryption Security Feature Bypass Vulnerability5.5
- CVE-2021-1733Sysinternals PsExec Elevation of Privilege Vulnerability7.8
- CVE-2021-1734Windows Remote Procedure Call Information Disclosure Vulnera…7.5
- CVE-2021-1736An out-of-bounds read was addressed with improved input vali…7.8
- CVE-2021-1737An out-of-bounds write was addressed with improved input val…7.8
- CVE-2021-1738An out-of-bounds write was addressed with improved input val…7.8
- CVE-2021-1739A parsing issue in the handling of directory paths was addre…5.5
Are you affected by CVE-2021-1732?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
