CVE-2026-42914: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.
AI Analysis
Technical Summary
This vulnerability involves an out-of-bounds read (CWE-125) in the Windows Kerberos implementation on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access and low privileges can exploit this flaw remotely to cause a denial of service condition, impacting system availability. The vulnerability does not affect confidentiality or integrity. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation results in denial of service (DoS) over the network, disrupting availability of affected systems running Windows 10 Version 1607. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are currently reported in the wild.
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-2026-42914 to remediate this vulnerability.
CVE-2026-42914: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
Out-of-bounds read in Windows Kerberos allows an authorized attacker to deny service over a network.
CVSS v3.1
Score 5.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an out-of-bounds read (CWE-125) in the Windows Kerberos implementation on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with authorized access and low privileges can exploit this flaw remotely to cause a denial of service condition, impacting system availability. The vulnerability does not affect confidentiality or integrity. Microsoft has released an official fix to address this issue.
Potential Impact
Successful exploitation results in denial of service (DoS) over the network, disrupting availability of affected systems running Windows 10 Version 1607. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits are currently reported in the wild.
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-2026-42914 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-04-30T22:35:54.969Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42914","vendor":"Microsoft"}]
Threat ID: 6a284cc48dd33fbd8566481a
Added to database: 06/09/2026, 17:26:28 UTC
Last enriched: 07/29/2026, 21:48:20 UTC
Last updated: 07/31/2026, 20:40:31 UTC
Views: 68
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