CVE-2021-36958

HighCVSS 7.8

Published: 12/08/2021(UTC)Updated: 10/08/2026(UTC)Translated: 10/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Very high risk

31.73%

98th percentile - higher than 98% of all known CVEs

Summary

A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker could run arbitrary code with SYSTEM privileges, install programs, view/change/delete data, or create new accounts with full user rights.

Risk Assessment

Risk includes full system compromise by an attacker with SYSTEM privileges, potentially leading to complete takeover and data loss.

Recommendation

Immediately install Microsoft security updates and monitor vendor advisories.

Original NVD description (English source)

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.