CVE-2026-44812: high-severity vulnerability in Microsoft Excel for Android
Windows Graphics Component Remote Code Execution Vulnerability
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.8epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
Integer overflow or wraparound in Windows Win32K - GRFX allows an unauthorized attacker to execute code locally.
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · Microsoft Excel for AndroidMicrosoft · Microsoft PowerPoint for AndroidMicrosoft · Microsoft Word for AndroidMicrosoft · Windows 10 Version 1607Microsoft · Windows 10 Version 1809Microsoft · Windows 10 Version 21H2Microsoft · Windows 10 Version 22H2Microsoft · Windows 11 version 23H2Microsoft · Windows 11 Version 24H2Microsoft · Windows 11 Version 25H2Microsoft · Windows 11 version 26H1Microsoft · Windows Server 2012Microsoft · Windows Server 2012 R2Microsoft · Windows Server 2012 R2 (Server Core installation)Microsoft · Windows Server 2012 (Server Core installation)Microsoft · Windows Server 2016Microsoft · Windows Server 2016 (Server Core installation)Microsoft · Windows Server 2019Microsoft · Windows Server 2019 (Server Core installation)Microsoft · Windows Server 2022Microsoft · Windows Server 2025Microsoft · Windows Server 2025 (Server Core installation)Related CVEs — Microsoft Excel for Android
In the same product, most dangerous first.
CVE-2020-1223—CVE-2020-1223EPSS 8.0%CVE-2022-26903HIGHWindows Graphics Component Remote Code Execution VulnerabilityEPSS 2.7%CVE-2026-26133HIGHM365 Copilot Information Disclosure VulnerabilityEPSS 0.6%CVE-2026-44803HIGHWindows Graphics Component Remote Code Execution VulnerabilityEPSS 0.5%CVE-2026-45649HIGHOffice for Android Spoofing VulnerabilityEPSS 0.4%CVE-2026-42832HIGHMicrosoft Office Spoofing VulnerabilityEPSS 0.3%