CVE-2026-50682: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 21H2
CVE-2026-50682 is an out-of-bounds read vulnerability in Windows Active Directory on Windows 10 Version 21H2. This flaw allows an authorized attacker to cause a denial of service over a network. The vulnerability has a high severity rating and has an official fix available from Microsoft.
AI Analysis
Technical Summary
CVE-2026-50682 is a CWE-125 out-of-bounds read vulnerability affecting Windows Active Directory on Windows 10 Version 21H2 (build 10.0.19044.0). An authorized attacker with network access can exploit this flaw to trigger a denial of service condition. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity, with low attack complexity and requiring privileges. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) over the network, impacting availability of Windows Active Directory services on affected Windows 10 Version 21H2 systems. Confidentiality and integrity impacts are low or none.
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-2026-50682 to remediate this vulnerability.
CVE-2026-50682: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 21H2
Description
CVE-2026-50682 is an out-of-bounds read vulnerability in Windows Active Directory on Windows 10 Version 21H2. This flaw allows an authorized attacker to cause a denial of service over a network. The vulnerability has a high severity rating and has an official fix available from Microsoft.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-50682 is a CWE-125 out-of-bounds read vulnerability affecting Windows Active Directory on Windows 10 Version 21H2 (build 10.0.19044.0). An authorized attacker with network access can exploit this flaw to trigger a denial of service condition. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity, with low attack complexity and requiring privileges. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation of this vulnerability results in denial of service (DoS) over the network, impacting availability of Windows Active Directory services on affected Windows 10 Version 21H2 systems. Confidentiality and integrity impacts are low or none.
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-2026-50682 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-06-05T14:35:07.080Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50682","vendor":"Microsoft"}]
Threat ID: 6a5676ac68715ace43f0977e
Added to database: 07/14/2026, 17:49:32 UTC
Last enriched: 07/14/2026, 22:34:13 UTC
Last updated: 07/15/2026, 03:33:47 UTC
Views: 4
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