Summary
Impact: Elevation of Privilege. Microsoft rating: Important. Not known to be exploited — Exploitation Less Likely. Customer action: Required.
Details
What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
According to the CVSS metrics, successful exploitation of this vulnerability does not impact confidentiality (C:N) but has major impact on integrity (I:H) and availability (A:H). What does that mean for this vulnerability?
An attacker who successfully exploits this vulnerability cannot access files but can overwrite their contents and potentially cause the service to become unavailable.
Security updates
10.0.20348.1850 — https://support.microsoft.com/help/5028171
10.0.22000.2176 — https://support.microsoft.com/help/5028182
10.0.19044.3208 — https://support.microsoft.com/help/5028166
10.0.22621.1992 — https://support.microsoft.com/help/5028185
Vulnerabilities 1
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High 7.1
Microsoft Install Service Elevation of Privilege Vulnerability
Microsoft Install Service Elevation of Privilege Vulnerability
Revision history
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#1
Information published.
References
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CVE-2023-35347 Microsoft Install Service Elevation of Privilege Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35347
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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