Summary
Impact: Information Disclosure. Microsoft rating: Important. Not known to be exploited — Exploitation Unlikely. Customer action: Required.
Details
What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is memory addresses belonging to the "EventLog" Windows service
Security updates
10.0.17763.9020 — https://support.microsoft.com/help/5099538
10.0.20348.5386 — https://support.microsoft.com/help/5099540
10.0.19044.7548 — https://support.microsoft.com/help/5099539
10.0.26100.33158 — https://support.microsoft.com/help/5099536
10.0.26200.8875 — https://support.microsoft.com/help/5101650
10.0.22631.7376 — https://support.microsoft.com/help/5099414
10.0.28000.2525 — https://support.microsoft.com/help/5101649
Vulnerabilities 1
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Medium 5.5
Windows Audio Service Information Disclosure Vulnerability
Exposure of sensitive information to an unauthorized actor in Windows Audio Service allows an authorized attacker to disclose information locally.
Revision history
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#1
Information published.
References
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CVE-2026-34328 Windows Audio Service Information Disclosure Vulnerability - HTML
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34328
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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