CVE-2026-49794: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read in the Windows USB Audio Class driver (usbaudio.sys) in 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 CVSS v3.1 vector indicates the attack requires physical access (AV:P), low attack complexity (AC:L), no privileges or user interaction, and impacts confidentiality only (C:H). Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker with physical access to a vulnerable system can exploit this out-of-bounds read vulnerability to disclose sensitive information. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
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
Out-of-bounds read in Windows USB Audio Class driver (usbaudio.sys) allows an unauthorized attacker to disclose information with a physical attack.
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) in 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 CVSS v3.1 vector indicates the attack requires physical access (AV:P), low attack complexity (AC:L), no privileges or user interaction, and impacts confidentiality only (C:H). Microsoft has published an official fix for this vulnerability.
Potential Impact
An attacker with physical access to a vulnerable system can exploit this out-of-bounds read vulnerability to disclose sensitive information. There is no impact on integrity or availability. No known exploits are reported in the wild at this time.
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: 08/13/2026, 14:24:19 UTC
Last updated: 08/25/2026, 22:52:12 UTC
Views: 76
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