CVE-2026-49794: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
CVE-2026-49794 is an out-of-bounds read vulnerability in the Windows USB Audio Class driver (usbaudio.sys) affecting Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized attacker with physical access to the device to disclose information. The vulnerability has a medium severity rating with a CVSS score of 4.6. An official fix is available from Microsoft.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read in the Windows USB Audio Class driver (usbaudio.sys) on Windows 10 Version 1607 (build 10.0.14393.0). The flaw can be exploited by an attacker with physical access to the device to disclose sensitive information. The issue is tracked as CWE-125 (out-of-bounds read). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
An attacker with physical access to a vulnerable system can exploit this out-of-bounds read to disclose information, potentially leading to leakage of sensitive data. The vulnerability does not allow for integrity or availability impact, and no remote exploitation is indicated.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49794 to remediate this vulnerability.
CVE-2026-49794: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-49794 is an out-of-bounds read vulnerability in the Windows USB Audio Class driver (usbaudio.sys) affecting Windows 10 Version 1607 (build 10.0.14393.0). This flaw allows an unauthorized attacker with physical access to the device to disclose information. The vulnerability has a medium severity rating with a CVSS score of 4.6. An official fix is available from Microsoft.
CVSS v3.1
Score 4.6medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read in the Windows USB Audio Class driver (usbaudio.sys) on Windows 10 Version 1607 (build 10.0.14393.0). The flaw can be exploited by an attacker with physical access to the device to disclose sensitive information. The issue is tracked as CWE-125 (out-of-bounds read). Microsoft has published an official fix addressing this vulnerability.
Potential Impact
An attacker with physical access to a vulnerable system can exploit this out-of-bounds read to disclose information, potentially leading to leakage of sensitive data. The vulnerability does not allow for integrity or availability impact, and no remote exploitation is indicated.
Mitigation Recommendations
An official fix is available from Microsoft. Users and administrators should apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49794 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-01T17:02:37.208Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-49794","vendor":"Microsoft"}]
Threat ID: 6a566f6d68715ace43e6b54e
Added to database: 07/14/2026, 17:18:37 UTC
Last enriched: 07/15/2026, 01:35:03 UTC
Last updated: 07/15/2026, 03:43:40 UTC
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.