Vulnerability · Published Jul 16, 2021 · Assigned by microsoft
CVE-2021-34481Windows Print Spooler Remote Code Execution Vulnerability
High 8.8
In plain English
A high-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 47.7% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run arbitrary code with SYSTEM privileges. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. UPDATE August 10, 2021: Microsoft has completed the investigation and has released security updates to address this vulnerability. Please see the Security Updates table for the applicable update for your system. We recommend that you install these updates immediately. This security update changes the Point and Print default behavior; please see KB5005652.
Affected products (as reported)
References
- Windows Print Spooler Remote Code Execution Vulnerability vendor-advisory, patch
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34481 x_refsource_MISC, x_transferred