Vulnerability · NVD
CVE-2026-44803
HIGH 7.8
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
Attack vector : Local
No privileges required
Show raw CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.52%
exploit very unlikely
percentile 41.6%
Tracked apps referencing this CVE
For each app: the affected range, the fixing version, and where the tracked app stands today.
NVD references 16 distinct products for this CVE — only those tracked by Scout (mobile and desktop catalog apps) are listed above. Libraries, servers and out-of-scope products do not appear here. Full list on NVD ↗
OS versions that fix this CVE
This CVE is resolved by the following OS security releases. Update the OS to at least the listed version.
- Windows Server 2025 Fixed in 10.0.26100.32995
- Windows Server 2022 Fixed in 10.0.20348.5256
- Windows Server 2019 Fixed in 10.0.17763.8880
- Windows Server 2016 Fixed in 10.0.14393.9234
- Windows 11 26H1 · 2026-H1 Fixed in 10.0.28000.2269
- Windows 11 25H2 · 2025-H2 Fixed in 10.0.26200.8655
- Windows 11 24H2 · 2024-H2 Fixed in 10.0.26100.8655
- Windows 11 23H2 · 2023-H2 Fixed in 10.0.22631.7219
- Windows 10 22H2 · 2022-H2 Fixed in 10.0.19045.7417
- Windows 10 21H2 · 2021-H2 Fixed in 10.0.19044.7417
- Windows 10 1809 · 2018-09 Fixed in 10.0.17763.8880
- Windows 10 1607 · 2016-07 Fixed in 10.0.14393.9234
Vulnerable CPE configurations (3)
| Vendor | Product | Platform | Versions | CPE 2.3 URI |
|---|---|---|---|---|
| microsoft |
excel Android
|
Android | — | cpe:2.3:a:microsoft:excel:-:*:*:*:*:android:*:* |
| microsoft |
powerpoint Android
|
Android | — | cpe:2.3:a:microsoft:powerpoint:-:*:*:*:*:android:*:* |
| microsoft |
word Android
|
Android | — | cpe:2.3:a:microsoft:word:-:*:*:*:*:android:*:* |