Actively exploited · Published Feb 9, 2022 · Assigned by microsoft
CVE-2022-21999Windows Print Spooler Elevation of Privilege Vulnerability
High 7.8 Exploited Ransomware
In plain English
A high-severity path traversal in Windows 10 Version 1507 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on March 25, 2022). It has been used in ransomware campaigns. The chance it is exploited in the next 30 days is estimated at 41.0% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: Metasploit, public proof-of-concept code. Apply updates per vendor instructions.
CISA guidance
Apply updates per vendor instructions.
Federal agencies must remediate by Apr 15, 2022.
Official description
Windows Print Spooler Elevation of Privilege Vulnerability
Affected products (as reported)
Weakness: CWE-22, CWE-59 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Windows Print Spooler Elevation of Privilege Vulnerability vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-21999 government-resource