Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since November 17, 2021.
CVE-2021-40449
Microsoft Windows Win32k Privilege Escalation Vulnerability
Added to KEV November 17, 2021
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2021-40449
- CWE
- CWE-416
- Affected products
- Windows · Microsoft Windows · Microsoft
What happened
Unspecified vulnerability allows for an authenticated user to escalate privileges.
What it means for your business
Microsoft Windows is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-40449). Unspecified vulnerability allows for an authenticated user to escalate privileges. CISA remediation due date: 2021-12-01. If you need help checking exposure, call (864) 335-9223.
Required action
Apply updates per vendor instructions.
CISA due date: December 1, 2021
Sources
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