Is CVE-2021-36958 being actively exploited?

CVE-2021-36958 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2021-36958?

CVE-2021-36958 has a CVSS 3.1 base score of 7.8 (HIGH).

CVE-2021-36958

HIGH · CVSS 7.8EPSS 30.8%EU EUVD

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.

Key facts

CVSS score: 7.8 (v3.1)
Severity: HIGH
CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS score: 30.8% (98th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2021-23534)
Published: August 12, 2021
NVD last modified: August 10, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2021-23534 in the EU Vulnerability Database. Last updated in EUVD on August 10, 2026.

View on the EU Vulnerability Database

Affected products

microsoft / windows

Certified products that may be affected

34 FIPS 140 or Common Criteria certified products, from automated matching by sec-certs.org.

Windows OS Loader - Microsoft Corporation - FIPS 140 5405 - active
Windows OS Loader - Microsoft Corporation - FIPS 140 4545 - historical
Windows OS Loader - Microsoft Corporation - FIPS 140 4339 - historical
Windows OS Loader - Microsoft Corporation - FIPS 140 3615 - historical
Windows OS Loader - Microsoft Corporation - FIPS 140 3480 - historical

See all 34 in the Security Certifications Explorer.

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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