CVE-2026-62715: CWE-191: Integer Underflow (Wrap or Wraparound) in Microsoft Windows 10 Version 1607
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
AI Analysis
Technical Summary
This vulnerability involves an integer underflow (wrap or wraparound) in the Windows DHCP Server on Windows 10 Version 1607 (build 10.0.14393.0). The flaw permits an unauthorized attacker to disclose information across an adjacent network segment. The vulnerability is tracked as CWE-191 and has a CVSS 3.1 base score of 6.5, indicating a medium severity level. Microsoft has published an official fix for this issue, as detailed in their security update guide.
Potential Impact
An attacker without privileges can exploit this integer underflow vulnerability in the DHCP Server to disclose sensitive information over an adjacent network. The impact is limited to confidentiality (high impact on confidentiality), with no integrity or availability impact reported.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this issue.
CVE-2026-62715: CWE-191: Integer Underflow (Wrap or Wraparound) in Microsoft Windows 10 Version 1607
Description
Integer underflow (wrap or wraparound) in Windows DHCP Server allows an unauthorized attacker to disclose information over an adjacent network.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer underflow (wrap or wraparound) in the Windows DHCP Server on Windows 10 Version 1607 (build 10.0.14393.0). The flaw permits an unauthorized attacker to disclose information across an adjacent network segment. The vulnerability is tracked as CWE-191 and has a CVSS 3.1 base score of 6.5, indicating a medium severity level. Microsoft has published an official fix for this issue, as detailed in their security update guide.
Potential Impact
An attacker without privileges can exploit this integer underflow vulnerability in the DHCP Server to disclose sensitive information over an adjacent network. The impact is limited to confidentiality (high impact on confidentiality), with no integrity or availability impact reported.
Mitigation Recommendations
Microsoft has released an official fix for this vulnerability. Users and administrators should apply the security update provided by Microsoft for Windows 10 Version 1607 (build 10.0.14393.0) as soon as possible to remediate this issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- microsoft
- Date Reserved
- 2026-07-14T20:58:12.786Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- official-fix
- Vendor Advisory Urls
- [{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62715","vendor":"Microsoft"}]
Threat ID: 6a7b580cbf8831d539155a67
Added to database: 08/11/2026, 17:12:44 UTC
Last enriched: 08/11/2026, 22:26:53 UTC
Last updated: 08/12/2026, 00:12:10 UTC
Views: 3
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