CVE-2026-44803

HIGH

Microsoft Excel for Android - Windows Graphics Component Remote Code Execution Vulnerability

Title source: rule
STIX 2.1

Description

Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Graphics Component Remote Code Execution Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44803

Scores

CVSS v3 7.8
EPSS 0.0052
EPSS Percentile 41.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-190
Status published
Products (40)
microsoft/excel
Microsoft/Microsoft Excel for Android -
Microsoft/Microsoft Excel for Android 16.0.0.0 - 16.0.20131.20024
Microsoft/Microsoft PowerPoint for Android -
Microsoft/Microsoft PowerPoint for Android 16.0.0.0 - 16.0.20131.20024
Microsoft/Microsoft Word for Android -
Microsoft/Microsoft Word for Android 16.0.0.0 - 16.0.20131.20024
microsoft/powerpoint
Microsoft/Windows 10 Version 1607 10.0.14393.0 - 10.0.14393.9234
Microsoft/Windows 10 Version 1809 10.0.17763.0 - 10.0.17763.8880
... and 30 more
Published Jun 09, 2026
Tracked Since Jun 09, 2026