CVE-2021-36958

Name: CVE-2021-36958
Creator: NVD / NIST
Published: 2021-08-12T18:15:10.303+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 31.73%

Last modified Jun 17, 2026

CVE-2021-36958 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. <p>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. EPSS estimates a 31.73% chance of exploitation in the next 30 days.

Description

<p>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.</p>

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

31.73%

98.1th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Microsoft	Windows	All versions

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36958Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36958Patch, Vendor Advisory
https://www.kb.cert.org/vuls/id/131152

Timeline

Published: Aug 12, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36958?

How severe is CVE-2021-36958?

CVE-2021-36958 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 31.73% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36958?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-36958?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST