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PatchSiren cyber security CVE debrief

CVE-2026-62714 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:18:21.687Z and has not been modified since then. The CVE-2026-62714 vulnerability is an integer underflow issue in Windows DHCP Server that could allow an unauthorized attacker to disclose information over an adjacent network. The vulnerability has a CVSS score of 6.5 and is classified as medium severity. This issue may impact Windows DHCP Server deployments, requiring defensive measures such as patching, network segmentation, and monitoring. System administrators and security teams should review their asset inventory and perform exposure reviews to identify potential vectors of attack. Defenders should verify patch application, review network segmentation, and monitor for suspicious activity.

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
2026-09-02
Advisory published
2026-08-11
Advisory updated
2026-09-02

Who should care

System administrators and security teams responsible for Windows DHCP Server systems should be aware of this vulnerability and take necessary actions to mitigate the risk. This includes reviewing and applying patches, implementing compensating controls, and monitoring for suspicious activity. Additionally, security teams should review their asset inventory and perform exposure reviews to identify potential vectors of attack.

Technical summary

The CVE-2026-62714 vulnerability is an integer underflow issue in Windows DHCP Server that could allow an unauthorized attacker to disclose information over an adjacent network. The vulnerability has a CVSS score of 6.5 and is classified as medium severity. This issue may impact Windows DHCP Server deployments, requiring defensive measures such as patching, network segmentation, and monitoring.

Defensive priority

Medium-priority defensive actions are recommended due to the CVSS score of 6.5 and the potential for information disclosure over an adjacent network.

Recommended defensive actions

  • Apply patches or updates provided by Microsoft to address the integer underflow vulnerability in Windows DHCP Server.
  • Implement compensating controls such as network segmentation to limit the potential impact of the vulnerability.
  • Monitor Windows DHCP Server systems for any suspicious activity that could be related to the vulnerability.
  • Review and update asset inventory to ensure all affected systems are accounted for.
  • Perform exposure review to identify potential vectors of attack.

Evidence notes

The CVE-2026-62714 record indicates an integer underflow vulnerability in Windows DHCP Server, which could allow an unauthorized attacker to disclose information over an adjacent network. Evidence is based on official CVE and NVD records. The vulnerability has a CVSS score of 6.5 and is classified as medium severity. Affected systems may include Windows DHCP Server deployments. Defenders should verify patch application, review network segmentation, and monitor for suspicious activity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-62714 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-62714

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-62714 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-62714

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.