CVE-2021-1640: Microsoft Windows Print Spooler Time-Of-Check Time-Of-Use Denial-of-Service Vulnerability

First published: Tue Mar 09 2021(Updated: )

This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Print Spooler service. By creating a directory junction, an attacker can abuse the Print Spooler service to delete a file. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Credit: secure@microsoft.com secure@microsoft.com

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

• agent/type
• agent/first-publish-date
• collector/msrc-cve
• source/Microsoft
• agent/author
• collector/zdi-advisory
• source/ZDI
• alias/ZDI-21-493
• alias/ZDI-CAN-12511
• alias/CVE-2021-1640
• agent/software-canonical-lookup
• agent/references
• agent/remedy
• agent/title
• agent/severity
• agent/softwarecombine
• agent/weakness
• agent/description
• agent/software-canonical-lookup-request
• collector/nvd-index
• collector/nvd-api
• source/NVD
• collector/mitre-cve
• source/MITRE
• agent/last-modified-date
• agent/tags
• agent/event
• agent/trending
• vendor/microsoft
• canonical/microsoft windows
• canonical/microsoft windows server
• version/microsoft windows server/2004
• canonical/microsoft windows 10
• version/microsoft windows 10/1809
• version/microsoft windows 10/1803
• version/microsoft windows 10/1909
• version/microsoft windows 10/20h2
• canonical/microsoft windows server 2012 r2
• version/microsoft windows 10/2004
• canonical/microsoft windows server 2012
• canonical/microsoft windows 7
• canonical/microsoft windows server 2008 r2
• canonical/microsoft windows 8.1 for 32-bit systems
• version/microsoft windows 10/1607
• version/microsoft windows server/20h2
• canonical/microsoft windows server 2008
• canonical/microsoft windows rt 8.1
• canonical/microsoft windows 8.1 for x64-based systems
• canonical/microsoft windows server 2019
• version/microsoft windows server/1909
• canonical/microsoft windows server 2016
• version/microsoft windows 7/sp1
• canonical/microsoft windows 8.1
• version/microsoft windows server 2008/sp2
• version/microsoft windows server 2008/r2-sp1
• version/microsoft windows server 2012/r2
• version/microsoft windows server 2016/20h2
• version/microsoft windows server 2016/1909
• version/microsoft windows server 2016/2004