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Actively exploited · Published Jul 12, 2022 · Assigned by microsoft

CVE-2022-22047Windows Client Server Run-time Subsystem (CSRSS) Elevation of Privilege Vulnerability

High 7.8 Exploited

In plain English

A high-severity security flaw in Windows 10 Version 1507 from Microsoft. Attackers are actively exploiting it in the wild (listed by CISA on July 12, 2022). The chance it is exploited in the next 30 days is estimated at 18.8% (higher than 97% of all known vulnerabilities). Apply updates per vendor instructions.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)18.8%top 2.7% of all CVEs
Exploited in the wildYesCISA KEV since Jul 12, 2022
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Aug 2, 2022.

Official description

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

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.3165
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.3165
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.3165
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.3165
Microsoft Windows 10 Version 21H1 10.0.0 – before 10.0.19043.1826
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.825
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.1826
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1826
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.795
Microsoft Windows 10 Version 21H2 10.0.19043.0 – before 10.0.19044.1826
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.19360
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.5246
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.5246
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.5246
Microsoft Windows 7 6.1.0 – before 6.1.7601.26022
Microsoft Windows 7 Service Pack 1 6.1.0 – before 6.1.7601.26022
Microsoft Windows 8.1 6.3.0 – before 6.3.9600.20478
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21569
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.21569
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21569
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.26022
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.26022
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.23771
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.23771
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20478
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20478

Weakness: CWE-426 · Vector: 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

References