CVE-2026-69862: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
CVE-2026-69862 is an out-of-bounds read vulnerability in the Windows Wireless Wide Area Network Service affecting multiple builds of Microsoft Windows 10 Version 1607 and later. This flaw allows an authorized local attacker to disclose sensitive information. The vulnerability has a medium severity rating with a CVSS score of 5.5. Microsoft has released official fixes addressing this issue.
CVSS v3.1
Score 5.5medium
Affected software
Microsoft
Windows 10 Version 1607
Microsoft
Windows 10 Version 1809
Microsoft
Windows 10 Version 21H2
Microsoft
Windows 10 Version 22H2
Microsoft
Windows 11 version 23H2
Microsoft
Windows 11 Version 23H2
Microsoft
Windows 11 Version 24H2
Microsoft
Windows 11 Version 25H2
Microsoft
Windows 11 version 26H1
Microsoft
Windows Server 2016
Microsoft
Windows Server 2016 (Server Core installation)
Microsoft
Windows Server 2019
Microsoft
Windows Server 2019 (Server Core installation)
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-69862) involves an out-of-bounds read in the Windows Wireless Wide Area Network Service component of Microsoft Windows 10 Version 1607 and later builds. An authorized attacker with local privileges can exploit this flaw to read memory outside the intended bounds, potentially disclosing sensitive information. The issue is tracked under CWE-125 (Out-of-bounds Read) and CWE-200 (Information Exposure). Multiple affected Windows 10 builds are identified, and Microsoft has published official patches to remediate the vulnerability.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory beyond allocated boundaries, leading to potential disclosure of sensitive information. There is no indication of impact on integrity or availability. No known exploits are reported in the wild at this time.
Mitigation Recommendations
Microsoft has released official fixes for this vulnerability. Users and administrators should apply the provided security updates to affected Windows 10 versions as listed in the vendor advisory. Since an official fix is available, applying the patch is the recommended mitigation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-08-03T22:53:31.649Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69862","vendor":"Microsoft"}]
Threat ID: 6aa04534acd9273b49fa9a70
Added to database: 09/08/2026, 17:26:12 UTC
Last enriched: 10/16/2026, 21:37:43 UTC
Last updated: 10/23/2026, 15:10:14 UTC
Views: 28
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