Vulnerability · Published May 10, 2022 · Assigned by microsoft

CVE-2022-26937Windows Network File System Remote Code Execution Vulnerability

Critical 9.8

In plain English

A critical-severity security flaw in Windows Server 2008 R2 Service Pack 1 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 76.0% (higher than 99.5% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)76.0%top 0.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

Windows Network File System Remote Code Execution Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.2928
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.2928
Microsoft Windows Server 2022 10.0.20348.0 – before 10.0.20348.707
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19042.1706
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.5125
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.5125
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21481
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 – before 6.0.6003.21481
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 – before 6.0.6003.21481
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.25954
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.25954
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.23714
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.23714
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.20371
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.20371

References