Vulnerability · NVD

CVE-2026-44812

CVE-2026-44812, high severity (CVSS 7.8): 3 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 7.8
Exploitation: 0.5 %
Tracked apps: 3
Still exposed: 0

Published on 2026-06-09

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 0.47% exploit very unlikely percentile 37.7%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Microsoft Excel Android com.microsoft.office.excel

Affected - Fixed in - Latest tracked 16.0.20430.20032 undetermined
Microsoft PowerPoint Android com.microsoft.office.powerpoint

Affected - Fixed in - Latest tracked 16.0.20326.20112 undetermined
Microsoft Word Android com.microsoft.office.word

Affected - Fixed in - Latest tracked 16.0.20430.20032 undetermined

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::

View on NVD ↗ Advisory · msrc.microsoft.com

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