Microsoft Windows Print Spooler Privilege Escalation Vulnerability

Critical Threat Advisory: This vulnerability is documented in active Ransomware campaigns. Immediate remediation required.

Technical Severity

HIGH

7.8 / 10

Minimal Risk Critical

Vector Specification

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Exploitation Likelihood

71.36 %

Predictive Probability

Percentile Rank

98.7 th

Documented as more likely to be exploited than 98.7% of known CVEs.

Detection Date

Mar 25, 2022

Remediation Due

Apr 15, 2022

CISA Catalog Active

Threat Analysis

Microsoft Windows Print Spooler contains an unspecified vulnerability which can allow for privilege escalation.

Apply updates per vendor instructions.

Vendor Identity

Microsoft

Affected Product

Windows

Ransomware Status

Campaign Use Known

Weakness Classification

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2022-21999