Summary
Impact: Remote Code Execution. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
According to the CVSS metric, privileges required is high (PR:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires the attacker or targeted user to have specific elevated privileges. As is best practice, regular validation and audits of administrative groups should be conducted.
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
Security updates
10.0.17763.2803 — https://support.microsoft.com/help/5012647
10.0.20348.643 — https://support.microsoft.com/help/5012604
10.0.19042.1645 — https://support.microsoft.com/help/5012599
10.0.14393.5066 — https://support.microsoft.com/help/5012596
6.0.6003.21446 — https://support.microsoft.com/help/5012658
6.0.6003.21446 — https://support.microsoft.com/help/5012632
6.1.7601.25924 — https://support.microsoft.com/help/5012626
6.1.7601.25924 — https://support.microsoft.com/help/5012649
6.2.9200.23679 — https://support.microsoft.com/help/5012650
6.2.9200.23679 — https://support.microsoft.com/help/5012666
6.3.9600.20337 — https://support.microsoft.com/help/5012670
6.3.9600.20337 — https://support.microsoft.com/help/5012639
Vulnerabilities 1
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Medium 6.6
Windows DNS Server Remote Code Execution Vulnerability
Windows DNS Server Remote Code Execution Vulnerability
Revision history
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#1
Information published.
References
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CVE-2022-26820 Windows DNS Server Remote Code Execution Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-26820
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Microsoft Exploitability Index
https://www.microsoft.com/en-us/msrc/exploitability-index?rtc=1
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Microsoft Support Lifecycle
https://support.microsoft.com/lifecycle
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Common Vulnerability Scoring System
https://www.first.org/cvss