CVE-2026-23667: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-23667) involves a use-after-free condition in the Broadcast DVR feature of Windows 10 Version 1809 (build 10.0.17763.0). Exploiting this flaw enables an attacker with local authorized access to elevate their privileges, potentially gaining higher system rights. The vulnerability is tracked under CWE-416 (Use After Free). Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially leading to full control over the affected system. The confidentiality, integrity, and availability of the system can be fully compromised as indicated by the CVSS vector (C:H/I:H/A:H). No known exploits are currently reported in the wild.
Mitigation Recommendations
An official patch is available from Microsoft to remediate this vulnerability. Users and administrators should apply the update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23667 to mitigate the risk. No additional mitigation steps are indicated beyond applying the official fix.
CVE-2026-23667: CWE-416: Use After Free in Microsoft Windows 10 Version 1809
Description
Use after free in Broadcast DVR allows an authorized attacker to elevate privileges locally.
CVSS v3.1
Score 7.0high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-23667) involves a use-after-free condition in the Broadcast DVR feature of Windows 10 Version 1809 (build 10.0.17763.0). Exploiting this flaw enables an attacker with local authorized access to elevate their privileges, potentially gaining higher system rights. The vulnerability is tracked under CWE-416 (Use After Free). Microsoft has published an official fix to address this issue.
Potential Impact
Successful exploitation allows an authorized local attacker to elevate privileges, potentially leading to full control over the affected system. The confidentiality, integrity, and availability of the system can be fully compromised as indicated by the CVSS vector (C:H/I:H/A:H). No known exploits are currently reported in the wild.
Mitigation Recommendations
An official patch is available from Microsoft to remediate this vulnerability. Users and administrators should apply the update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23667 to mitigate the risk. No additional mitigation steps are indicated beyond applying the official fix.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-01-14T16:59:33.465Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23667","vendor":"Microsoft"}]
Threat ID: 69b05628ea502d3aa87d68b5
Added to database: 03/10/2026, 17:34:32 UTC
Last enriched: 06/19/2026, 20:25:08 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 141
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