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Δ / VULNERABILITY RECORD

CVE-2026-26178.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSHIGH / 8.8No severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSMicrosoft vendor recordModified Apr 14, 2026

Disclosure summary

Integer size truncation in Windows Advanced Rasterization Platform (WARP) allows an unauthorized attacker to elevate privileges locally.

Source-reported weakness categories

CWE-681, CWE-190

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-Apr

Open original source · Updated Apr 14, 2026

Windows Advanced Rasterization Platform 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: 8.8

VendorProduct / associationVersion / bounds
Microsoft update guideWindows 10 Version 1809 for 32-bit Systems (MSRC status code 3)
Microsoft update guideWindows 10 Version 1809 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows Server 2019 (MSRC status code 3)
Microsoft update guideWindows Server 2019 (Server Core installation) (MSRC status code 3)
Microsoft update guideWindows Server 2022 (MSRC status code 3)
Microsoft update guideWindows Server 2022 (Server Core installation) (MSRC status code 3)
Microsoft update guideWindows 10 Version 21H2 for 32-bit Systems (MSRC status code 3)
Microsoft update guideWindows 10 Version 21H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 10 Version 21H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows 10 Version 22H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows 10 Version 22H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 10 Version 22H2 for 32-bit Systems (MSRC status code 3)
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 23H2 for ARM64-based Systems (MSRC status code 3)
Microsoft update guideWindows 11 Version 23H2 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows Server 2022, 23H2 Edition (Server Core installation) (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)
Microsoft update guideWindows 10 Version 1607 for 32-bit Systems (MSRC status code 3)
Microsoft update guideWindows 10 Version 1607 for x64-based Systems (MSRC status code 3)
Microsoft update guideWindows Server 2016 (MSRC status code 3)
Microsoft update guideWindows Server 2016 (Server Core installation) (MSRC status code 3)

Vendor remediation references

  • 5082123 · build 10.0.17763.8644 · product IDs 11568, 11569, 11571, 11572
  • Vendor guidance · product IDs 11568, 11569, 11571, 11572
  • 5082123 · product IDs 11568, 11569, 11571, 11572
  • 5082142 · build 10.0.20348.5020 · product IDs 11923, 11924
  • Vendor guidance · product IDs 11923, 11924
  • 5082142 · product IDs 11923, 11924
  • 5082200 · build 10.0.19044.7184 · product IDs 11929, 11930, 11931
  • Vendor guidance · product IDs 11929, 11930, 11931
  • 5082200 · product IDs 11929, 11930, 11931, 12097, 12098, 12099
  • 5082200 · build 10.0.19045.7184 · product IDs 12097, 12098, 12099
  • Vendor guidance · product IDs 12097, 12098, 12099
  • 5082063 · build 10.0.26100.32690 · product IDs 12437, 12436
  • Vendor guidance · product IDs 12437, 12436
  • 5082063 · product IDs 12437, 12436
  • 5083769 · build 10.0.26200.8246 · product IDs 20437, 20438
  • Vendor guidance · product IDs 20437, 20438
  • 5083769 · product IDs 20437, 20438, 12389, 12390
  • 5082052 · build 10.0.22631.6936 · product IDs 12242, 12243
  • Vendor guidance · product IDs 12242, 12243
  • 5082052 · product IDs 12242, 12243
  • 5082060 · build 10.0.25398.2274 · product IDs 12244
  • Vendor guidance · product IDs 12244
  • 5082060 · product IDs 12244
  • 5083769 · build 10.0.26100.8246 · product IDs 12389, 12390
  • Vendor guidance · product IDs 12389, 12390
  • 5082198 · build 10.0.14393.9060 · product IDs 10852, 10853, 10816, 10855
  • Vendor guidance · product IDs 10852, 10853, 10816, 10855
  • 5082198 · product IDs 10852, 10853, 10816, 10855

Original records & references

PUBLISHED 2026-04-14T03:00:00-04:00
MODIFIED 2026-04-14T03:00:00-04:00
INGESTED 2026-10-08T12:45:04-04:00