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Δ / VULNERABILITY RECORD

CVE-2026-20941.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 7.8No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Jan 13, 2026

Disclosure summary

Improper link resolution before file access ('link following') in Host Process for Windows Tasks allows an authorized attacker to elevate privileges locally.

Source-reported weakness categories

CWE-59

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

Microsoft Security Updates (CVRF) · 2026-Jan

Open original source · Updated Jan 13, 2026

Host Process for Windows Tasks Elevation of Privilege Vulnerability

Maximum of vendor-reported product scores; products and fixed builds are associations, not a universal affected-version statement.

Microsoft maximum product score: 7.8

VendorProduct / associationVersion / bounds
Microsoft update guideWindows Server 2025 (Server Core installation) (MSRC status code 3)
Microsoft update guideWindows 11 Version 25H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 25H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 24H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 24H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows Server 2025 (MSRC status code 3)

Vendor remediation references

  • 5073379 · build 10.0.26100.32230 · product IDs 12437, 12436
  • Vendor guidance · product IDs 12437, 12436
  • 5073379 · product IDs 12437, 12436
  • 5074109 · build 10.0.26200.7623 · product IDs 20437, 20438
  • Vendor guidance · product IDs 20437, 20438
  • 5074109 · product IDs 20437, 20438, 12389, 12390
  • 5074109 · build 10.0.26100.7623 · product IDs 12389, 12390
  • Vendor guidance · product IDs 12389, 12390
  • The following workaround might be helpful in your situation. In all cases, Microsoft strongly recommends that you install the updates for this vulnerability as soon as possible: Cu

Original records & references

PUBLISHED 2026-01-13T03:00:00-05:00
MODIFIED 2026-01-13T03:00:00-05:00
INGESTED 2026-10-08T12:45:22-04:00