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CVE-2026-85921

CVE

Threat entity extracted from intelligence sources

Frequency
5
occurrences
First Seen
September 15, 2026
Last Seen
September 19, 2026
API
Exploited in Wild
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Ransomware Use
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Public Exploits
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Attack Vector
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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Microsoft's September 2026 Patch Tuesday update introduced critical audio issues affecting USB Audio Class 1.0 devices on Windows 11 versions 24H2 and 25H2. Users reported that audio devices either failed to start or produced no sound, with Device Manager showing error code 10. The update, KB5124008...

Microsoft has released out-of-band security updates for Windows 11 (versions 24H2, 25H2, and 26H1) and Windows 10 (version 1809) to address critical elevation of privilege vulnerabilities. The updates include protections for CVE-2026-62721, a Windows User-Mode Power Service vulnerability published o...

On September 17, 2026, Microsoft patched a critical vulnerability in Azure AI Foundry, identified as CVE-2026-85889, which had a CVSS score of 10.0. This flaw allowed unauthorized privilege escalation due to missing authentication for critical functions. The vulnerability affects Azure AI Foundry, a...

Public Exploits

Checking GitHub for proof-of-concept code…