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Vulnerability · Published Mar 11, 2021 · Assigned by microsoft

CVE-2021-26869Windows ActiveX Installer Service Information Disclosure Vulnerability

Medium 5.5

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 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)1.0%top 36.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Windows ActiveX Installer Service Information Disclosure Vulnerability

Affected products (as reported)

VendorProductVersions
Microsoft Windows 10 Version 1507 10.0.10240.0 – before 10.0.10240.18874
Microsoft Windows 10 Version 1607 10.0.14393.0 – before 10.0.14393.4283
Microsoft Windows 10 Version 1803 10.0.0 – before 10.0.17134.2087
Microsoft Windows 10 Version 1809 10.0.17763.0 – before 10.0.17763.1817
Microsoft Windows 10 Version 1809 10.0.0 – before 10.0.17763.1817
Microsoft Windows 10 Version 1909 10.0.0 – before 10.0.18363.1440
Microsoft Windows 10 Version 2004 10.0.0 – before 10.0.19043.867
Microsoft Windows 10 Version 20H2 10.0.0 – before 10.0.19043.867
Microsoft Windows 7 6.1.0 – before 6.1.7601.24566
Microsoft Windows 7 Service Pack 1 6.1.0 – before 6.1.7601.24566
Microsoft Windows 8.1 6.3.0 – before 6.3.9600.19968
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 – before 6.1.7601.24566
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 – before 6.1.7601.24566
Microsoft Windows Server 2012 6.2.9200.0 – before 6.2.9200.23298
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 – before 6.2.9200.23298
Microsoft Windows Server 2012 R2 6.3.9600.0 – before 6.3.9600.19968
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 – before 6.3.9600.19968
Microsoft Windows Server 2016 10.0.14393.0 – before 10.0.14393.4283
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – before 10.0.14393.4283
Microsoft Windows Server 2019 10.0.17763.0 – before 10.0.17763.1817
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – before 10.0.17763.1817
Microsoft Windows Server version 2004 10.0.0 – before 10.0.19043.867
Microsoft Windows Server version 20H2 10.0.0 – before 10.0.19043.867
Microsoft Windows Server, version 1909 (Server Core installation) 10.0.0 – before 10.0.18363.1440

References