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PatchSiren cyber security CVE debrief

CVE-2026-58532 Microsoft CVE debrief

CVE-2026-58532 is an integer overflow or wraparound vulnerability in the Windows Kernel. This vulnerability allows an authorized attacker to elevate privileges locally. The CVE record was published on 2026-07-14T18:18:40.027Z and has not been modified since then. The vulnerability affects Windows operating systems and has a CVSS score of 7.8, indicating a high severity. System administrators and users of Windows operating systems should be aware of this vulnerability.

Vendor
Microsoft
Product
Windows 10 Version 1607
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-14
Original CVE updated
2026-07-22
Advisory published
2026-07-14
Advisory updated
2026-07-22

Who should care

System administrators and users of Windows operating systems should be aware of this vulnerability, as it can allow an authorized attacker to elevate privileges locally. This vulnerability has a high severity and affects Windows operating systems.

Technical summary

The vulnerability is caused by an integer overflow or wraparound in the Windows Kernel. This can be exploited by an authorized attacker to elevate privileges locally. The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 7.8, indicating a high severity. The vulnerability affects Windows operating systems and has not been modified since its publication.

Defensive priority

High

Recommended defensive actions

  • Apply the patch provided by Microsoft
  • Ensure that all Windows operating systems are up-to-date
  • Monitor system logs for suspicious activity
  • Implement additional security measures, such as access controls and intrusion detection systems
  • Review compensating controls for exposed systems while remediation is scheduled and verified

Evidence notes

The CVE record was published on 2026-07-14T18:18:40.027Z and has not been modified since then. The NVD entry is currently Analyzed. This information is based on the NVD entry and the CVE record. The vulnerability affects Windows operating systems and allows an authorized attacker to elevate privileges locally. There are no known affected scope or additional details available. Defenders should verify system logs for suspicious activity and review compensating controls.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-58532 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-58532

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

  • CVE-2026-58532 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-58532

    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.