CVE-2026-34349: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1809
Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-34349) involves exposure of sensitive information in Windows Media on Microsoft Windows 10 Version 1809. An authorized attacker with local privileges can disclose sensitive information due to improper handling within the Windows Media component. The CVSS 3.1 base score is 5.5, indicating medium severity, with attack vector local, low attack complexity, and no user interaction required. Microsoft has released an official fix for this vulnerability.
Potential Impact
The vulnerability allows an attacker with local access and limited privileges to disclose sensitive information, potentially leading to confidentiality breaches. 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-2026-34349 to remediate this vulnerability.
CVE-2026-34349: CWE-200: Exposure of Sensitive Information to an Unauthorized Actor in Microsoft Windows 10 Version 1809
Description
Exposure of sensitive information to an unauthorized actor in Windows Media allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-34349) involves exposure of sensitive information in Windows Media on Microsoft Windows 10 Version 1809. An authorized attacker with local privileges can disclose sensitive information due to improper handling within the Windows Media component. The CVSS 3.1 base score is 5.5, indicating medium severity, with attack vector local, low attack complexity, and no user interaction required. Microsoft has released an official fix for this vulnerability.
Potential Impact
The vulnerability allows an attacker with local access and limited privileges to disclose sensitive information, potentially leading to confidentiality breaches. 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-2026-34349 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-03-26T21:02:16.447Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34349","vendor":"Microsoft"}]
Threat ID: 6a566f6768715ace43e6b2f9
Added to database: 07/14/2026, 17:18:31 UTC
Last enriched: 08/13/2026, 14:13:55 UTC
Last updated: 08/25/2026, 11:02:22 UTC
Views: 51
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