CVE-2026-84001: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-84001) is classified as CWE-125 (Out-of-bounds Read) affecting Windows 10 Version 1607 (build 10.0.14393.0). The flaw exists in the Windows Key Distribution Center component and can be exploited remotely without privileges or user interaction to cause a denial of service condition. The CVSS v3.1 base score is 7.5, indicating high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. Microsoft has released an official fix for this vulnerability.
Potential Impact
An attacker can remotely exploit this vulnerability to cause a denial of service on affected Windows 10 Version 1607 systems by triggering an out-of-bounds read in the Windows Key Distribution Center. There is no impact on confidentiality or integrity, but availability is severely affected.
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-2026-84001 to remediate this vulnerability.
CVE-2026-84001: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
Out-of-bounds read in Windows Key Distribution Center allows an unauthorized attacker to deny service over a network.
CVSS v3.1
Score 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-84001) is classified as CWE-125 (Out-of-bounds Read) affecting Windows 10 Version 1607 (build 10.0.14393.0). The flaw exists in the Windows Key Distribution Center component and can be exploited remotely without privileges or user interaction to cause a denial of service condition. The CVSS v3.1 base score is 7.5, indicating high severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. Microsoft has released an official fix for this vulnerability.
Potential Impact
An attacker can remotely exploit this vulnerability to cause a denial of service on affected Windows 10 Version 1607 systems by triggering an out-of-bounds read in the Windows Key Distribution Center. There is no impact on confidentiality or integrity, but availability is severely affected.
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-2026-84001 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-09-01T01:16:35.985Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-84001","vendor":"Microsoft"}]
Threat ID: 6aa0457cacd9273b49fbdf7f
Added to database: 09/08/2026, 17:27:24 UTC
Last enriched: 09/08/2026, 17:37:23 UTC
Last updated: 09/09/2026, 00:24:33 UTC
Views: 7
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