PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-58602 Microsoft CVE debrief

CVE-2026-58602 is a high-severity vulnerability in Windows Kernel Mode Driver that allows an authorized attacker to elevate privileges locally. The vulnerability has a CVSS score of 7.8 and is classified as HIGH. Microsoft has released a patch for this vulnerability. The vulnerability is a use-after-free issue in the Windows Kernel Mode Driver. An authorized attacker can exploit this vulnerability to elevate privileges locally. System administrators and security teams should prioritize patching this vulnerability to prevent potential privilege escalation attacks.

Vendor
Microsoft
Product
Windows 11 Version 24H2
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 security teams responsible for Windows systems, especially those with high-privilege access, should prioritize patching this vulnerability to prevent potential privilege escalation attacks. They should review and update system configurations to ensure proper access controls and monitor system logs for potential exploitation attempts.

Technical summary

The vulnerability is a use-after-free issue in the Windows Kernel Mode Driver. An authorized attacker can exploit this vulnerability to elevate privileges locally. The CVSS vector for this vulnerability is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability affects Windows systems, especially those with high-privilege access.

Defensive priority

High

Recommended defensive actions

  • Apply the patch released by Microsoft
  • Review and update system configurations to ensure proper access controls
  • Monitor system logs for potential exploitation attempts
  • Review compensating controls for exposed systems while remediation is scheduled and verified
  • Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

The CVE record was published on 2026-07-14T17:17:12.817Z and was last modified on 2026-07-21T12:56:03.280Z. The NVD entry is currently Analyzed. The vulnerability has a CVSS score of 7.8 and is classified as HIGH. Microsoft has released a patch for this vulnerability. However, the record does not provide detailed information on the affected products or components. Further verification is needed to determine the scope of the vulnerability.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-58602 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-58602

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

  • CVE-2026-58602 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-58602

    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.