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CVE-2026-62832 Microsoft CVE debrief

AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T17:06:21.669Z and has not been modified since then. The NVD entry is currently not provided. This vulnerability affects Windows User Profile Service, allowing an authorized attacker to elevate privileges locally due to improper link resolution before file access. Defenders and administrators responsible for Windows systems, particularly those using Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 23H2, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows 11 Version 25H2, Windows 11 version 26H1, Windows Server 2022, Windows Server 2025, and Windows

Vendor
Microsoft
Product
Windows 10 Version 21H2
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-11
Original CVE updated
2026-10-08
Advisory published
2026-08-11
Advisory updated
2026-10-08

Who should care

Defenders and administrators responsible for Windows systems, particularly those using Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 23H2, Windows 11 Version 23H2, Windows 11 Version 24H2, Windows 11 Version 25H2, Windows 11 version 26H1, Windows Server 2022, Windows Server 2025, and Windows Server 2025 (Server Core installation), should assess exposure and apply patches.

Why it matters

CVE-2026-62832 requires verification and patching for Windows User Profile Service to prevent potential elevation of privilege risks.

  • Potential elevation of privilege for authorized attackers
  • Requires verification of exposure and patching for affected systems
  • Monitoring for potential elevation of privilege attempts is necessary

Technical summary

The Windows User Profile Service Elevation of Privilege Vulnerability allows an authorized attacker to elevate privileges locally due to improper link resolution before file access. This vulnerability is caused by the Windows User Profile Service not properly resolving links before accessing files, which can be exploited by an authorized attacker to gain elevated privileges. The vulnerability affects multiple Windows versions, including Windows 10 Version 21H2, Windows 10 Version 22H2, Windows 11 version 23H2, Windows 11 Version 23H2, Windows 11 Version 24H2,

Defensive priority

Defenders should prioritize verifying exposure and applying patches for Windows User Profile Service due to potential elevation of privilege risks.

Recommended defensive actions

  • Verify exposure of Windows User Profile Service in the environment
  • Apply patches provided by Microsoft for affected Windows versions
  • Monitor for potential elevation of privilege attempts

Evidence notes

The CVE record and source item provide details on the Windows User Profile Service Elevation of Privilege Vulnerability, but limited information is available on exploitation or impact.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-62832 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-62832

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

  • CVE-2026-62832 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-62832

    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.