CVE-2021-34481

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.

• CWE-269

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34481
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34481Patch, Vendor Advisory

Published

Jul 16, 2021

Last Modified

Aug 10, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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