CVE-2026-45634: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to disclose information locally.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-45634) involves an out-of-bounds read in the Windows DHCP Server on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local privileges and low complexity can exploit this flaw to read memory beyond intended boundaries, potentially disclosing sensitive information. The vulnerability does not allow for integrity or availability impact, only confidentiality is affected. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory outside the intended buffer, leading to potential disclosure of sensitive information. There is no impact on system integrity or availability. The attack complexity is low and requires local privileges, but no user interaction is needed.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45634 to remediate this vulnerability.
CVE-2026-45634: CWE-125: Out-of-bounds Read in Microsoft Windows 10 Version 1607
Description
Out-of-bounds read in Windows DHCP Server allows an authorized attacker to disclose information locally.
CVSS v3.1
Score 5.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-45634) involves an out-of-bounds read in the Windows DHCP Server on Windows 10 Version 1607 (build 10.0.14393.0). An attacker with local privileges and low complexity can exploit this flaw to read memory beyond intended boundaries, potentially disclosing sensitive information. The vulnerability does not allow for integrity or availability impact, only confidentiality is affected. Microsoft has released an official fix to address this issue.
Potential Impact
An authorized local attacker can exploit this vulnerability to read memory outside the intended buffer, leading to potential disclosure of sensitive information. There is no impact on system integrity or availability. The attack complexity is low and requires local privileges, but no user interaction is needed.
Mitigation Recommendations
An official fix is available from Microsoft. It is recommended to apply the security update provided in the Microsoft advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45634 to remediate this vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-05-12T20:33:35.155Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45634","vendor":"Microsoft"}]
Threat ID: 6a284ce78dd33fbd85664ebd
Added to database: 06/09/2026, 17:27:03 UTC
Last enriched: 07/29/2026, 22:00:58 UTC
Last updated: 07/31/2026, 20:43:08 UTC
Views: 63
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