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Vulnerability · Published Jun 8, 2021 · Assigned by microsoft

CVE-2021-26414Windows DCOM Server Security Feature Bypass

Medium 4.8

In plain English

A medium-severity security flaw in Windows 10 Version 1507 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 49.8% (higher than 99% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)4.8Medium
Exploit odds (30 days)49.8%top 1.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC

Official description

Windows DCOM Server Security Feature Bypass

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.4131
Microsoft Windows Server 2019 10.0.0 – before 10.0.17763.4131
Microsoft Windows Server 2019 (Server Core installation) 10.0.0 – before 10.0.17763.4131
Microsoft Windows 10 Version 1909 10.0.0 – before 10.0.18363.2344
Microsoft Windows 10 Version 21H1 10.0.0 – before 10.0.19043.1766
Microsoft Windows Server 2022 10.0.0 – before 10.0.20348.1607
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19042.2728
Microsoft Windows 11 version 21H2 10.0.0 – before 10.0.22000.1696
Microsoft Windows 10 Version 21H2 10.0.0 – before 10.0.19044.2728
Microsoft Windows 10 Version 1507 10.0.0 – before 10.0.10240.19802
Microsoft Windows 10 Version 1607 10.0.0 – before 10.0.14393.5786
Microsoft Windows Server 2016 10.0.0 – before 10.0.14393.5786
Microsoft Windows Server 2016 (Server Core installation) 10.0.0 – before 10.0.14393.5786
Microsoft Windows 7 6.1.0 – before 6.1.7601.25984
Microsoft Windows 7 Service Pack 1 6.1.0 – before 6.1.7601.25984
Microsoft Windows 8.1 6.3.0 – before 6.3.9600.20402
Microsoft Windows Server 2008 Service Pack 2 6.0.0 – before 6.0.6003.21966
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.0 – before 6.0.6003.21966
Microsoft Windows Server 2008 Service Pack 2 6.0.0 – before 6.0.6003.21966
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.0 – before 6.1.7601.26415
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.0.0 – before 6.1.7601.26415
Microsoft Windows Server 2012 6.2.0 – before 6.2.9200.24168
Microsoft Windows Server 2012 (Server Core installation) 6.2.0 – before 6.2.9200.24168
Microsoft Windows Server 2012 R2 6.3.0 – before 6.3.9600.20865
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.0 – before 6.3.9600.20865

References