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CVE-2026-62716 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:21.993Z and has not been modified since then. The CVE-2026-62716 vulnerability is an integer underflow issue in the Windows DHCP Server, which could allow an unauthorized attacker to disclose information over an adjacent network. The vulnerability has a CVSS score of 6.5 and a severity of MEDIUM. Affected products include various versions of Windows 10, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025. System administrators and security teams should be aware of this vulnerability and take necessary actions to mitigate the risk. Organizations that rely on Windows-based networks and services may need to assess their exposure and implement compensating controls. Defensive actions include applying patches or updates provided by Microsoft, implementing network segmentation, monitoring network traffic for suspicious activity, conducting regular vulnerability assessments and penetration testing, and considering compensating controls such as intrusion detection systems.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-08-16
Advisory published
2026-08-11
Advisory updated
2026-08-16

Who should care

System administrators and security teams responsible for managing Windows DHCP Server installations should be aware of this vulnerability and take necessary actions to mitigate the risk. Additionally, organizations that rely on Windows-based networks and services may need to assess their exposure and implement compensating controls.

Technical summary

The CVE-2026-62716 vulnerability is an integer underflow issue in the Windows DHCP Server, which could allow an unauthorized attacker to disclose information over an adjacent network. The vulnerability has a CVSS score of 6.5 and a severity of MEDIUM. Affected products include various versions of Windows 10, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.

Defensive priority

Medium-priority defensive actions are recommended due to the potential for information disclosure over an adjacent network.

Recommended defensive actions

  • Apply patches or updates provided by Microsoft to address the vulnerability
  • Implement network segmentation to limit the attack surface
  • Monitor network traffic for suspicious activity
  • Conduct regular vulnerability assessments and penetration testing
  • Consider implementing compensating controls, such as intrusion detection systems

Evidence notes

The CVE-2026-62716 record indicates an integer underflow vulnerability in Windows DHCP Server, which could allow an unauthorized attacker to disclose information over an adjacent network. The vulnerability has a CVSS score of 6.5 and a severity of MEDIUM. Affected products include various versions of Windows 10, Windows Server 2012, Windows Server 2016, Windows Server 2019, Windows Server 2022, and Windows Server 2025.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:21.993Z and has not been modified since then.