CVE-2026-26178CWE-190CWE-681

CVE-2026-26178

High · published April 14, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
56.8
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00819 · 56.8th percentile
Weaknesses
CWE-190 · Integer Overflow or Wraparound; CWE-681 · Incorrect Conversion between Numeric Types
Published
2026-04-14T22:16Z
Affected products (21)
ProductVersionsFixed in
microsoft/windows_10_1607< 10.0.14393.906010.0.14393.9060
microsoft/windows_10_1607< 10.0.14393.906010.0.14393.9060
microsoft/windows_10_1809< 10.0.17763.864410.0.17763.8644
microsoft/windows_10_21h2< 10.0.19044.718410.0.19044.7184
microsoft/windows_10_21h2< 10.0.19044.718410.0.19044.7184
microsoft/windows_10_21h2< 10.0.19044.718410.0.19044.7184
microsoft/windows_10_22h2< 10.0.19045.718410.0.19045.7184
microsoft/windows_10_22h2< 10.0.19045.718410.0.19045.7184
microsoft/windows_10_22h2< 10.0.19045.718410.0.19045.7184
microsoft/windows_11_23h2< 10.0.22631.693610.0.22631.6936
microsoft/windows_11_23h2< 10.0.22631.693610.0.22631.6936
microsoft/windows_11_24h2< 10.0.26100.824610.0.26100.8246
microsoft/windows_11_24h2< 10.0.26100.824610.0.26100.8246
microsoft/windows_11_25h2< 10.0.26200.824610.0.26200.8246
microsoft/windows_11_25h2< 10.0.26200.824610.0.26200.8246
microsoft/windows_server_2016< 10.0.14393.906010.0.14393.9060
microsoft/windows_server_2019< 10.0.17763.864410.0.17763.8644
microsoft/windows_server_2022< 10.0.20348.502010.0.20348.5020
microsoft/windows_server_2022_23h2< 10.0.25398.227410.0.25398.2274
microsoft/windows_server_2025< 10.0.26100.3269010.0.26100.32690
microsoft/windows_10_1809< 10.0.17763.864410.0.17763.8644
References (1)
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26178 · [email protected]
EPSS history
Timeline
  • 14 APR 16:58Z
    Windows Advanced Rasterization Platform Elevation of Privilege Vulnerability
    cvelistv5