CVEvulnerability

CVE-2022-22047

7.8 HIGH Known exploited Published 2022-07-12 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Microsoft Windows Client Server Runtime Subsystem (CSRSS) Privilege Escalation Vulnerability — Microsoft Windows

Microsoft Windows CSRSS contains an unspecified vulnerability that allows for privilege escalation to SYSTEM privileges.

Added to KEV: 2022-07-12
Remediation due: 2022-08-02
Ransomware use: Unknown
Required action: Apply updates per vendor instructions.
Notes: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-22047; https://nvd.nist.gov/vuln/detail/CVE-2022-22047

Status: Analyzed
Published: 2022-07-12
Last modified: 2026-06-17
Assigner: [email protected]
CVSS 3.1 ([email protected]): 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected]): 7.2 HIGH — AV:L/AC:L/Au:N/C:C/I:C/A:C
Weaknesses: CWE-426

Description

Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

Affected configurations

• microsoft windows 10 1507 (< 10.0.10240.19360) • microsoft windows 10 1607 (< 10.0.14393.5246) • microsoft windows 10 1809 (< 10.0.17763.3165) • microsoft windows 10 20h2 (< 10.0.19042.1826) • microsoft windows 10 21h1 (< 10.0.19043.1826) • microsoft windows 10 21h2 (< 10.0.19044.1826) • microsoft windows 11 21h2 (< 10.0.22000.795) • microsoft windows 7 • microsoft windows 8.1 • microsoft windows rt 8.1 • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.5246) • microsoft windows server 2019 (< 10.0.17763.3165) • microsoft windows server 2022 (< 10.0.20348.825) • microsoft windows server 20h2 (< 10.0.19042.1826)

Weakness · CWE (1)

CWE-426 Untrusted Search Path weakness

References