CVE-2021-36958

7.8 highEPSS 31%

High (7.8) in microsoft windows. EPSS 31% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

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

EPSS: 31% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
Published: 2021-08-12
Modified: 2026-08-10
Record from: the NVD, synced 2026-10-19

Affected

microsoft:windows

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-36958
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36958
https://www.kb.cert.org/vuls/id/131152

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