Windows Graphics Component Remote Code Execution Vulnerability

Source data

Overview

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

Impact & technical details

Remote Code Execution

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? Successful exploitation of this vulnerability requires the user to view a specially crafted file in the Windows File Explorer Preview Pane or open said file.

Are the updates for Microsoft Word, PowerPoint, Excel for Android currently available? Yes. As of June 15, 2026, the security update for Microsoft Word, PowerPoint, Excel for Android are available. Customers running Microsoft Word, PowerPoint, Excel for Android should ensure the update is installed to be protected from this vulnerability.

According to the CVSS metric, the attack vector is local (AV:L). Why does the CVE title indicate that this is a remote code execution? The word Remote in the title refers to the location of the attacker. This type of exploit is sometimes referred to as Arbitrary Code Execution (ACE). The attack itself is carried out locally. This means an attacker or victim needs to execute code from the local machine to exploit the vulnerability.

CVSS base score

7.8 / 10

CVSS vector

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

Highest base score supplied by MSRC for this record; the vector belongs to that score. Ratings can vary by product. Microsoft Important is displayed as High; Moderate is displayed as Medium.

Affected products

• Microsoft Excel for Android
• Microsoft PowerPoint for Android
• Microsoft Word for Android
• Windows 10 Version 1607 for 32-bit Systems
• Windows 10 Version 1607 for x64-based Systems
• Windows 10 Version 1809 for 32-bit Systems
• Windows 10 Version 1809 for x64-based Systems
• Windows 10 Version 21H2 for 32-bit Systems

Source guidance

Remediation

• Release Notes

At least one Microsoft vendor-fix reference is available. Check each affected product for its applicable update, prerequisites, and supported version.

Authoritative sources & updates

Findings and update information come from the linked publishers. GTP compiles the public record and provides the recommendation above. CVSS ratings shown here come from Microsoft. NVD references provide additional public context.

• Microsoft Security Response Center (opens in a new tab)
• Microsoft security update · 5094123 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5094128 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5094127 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5094125 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5094126 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5093998 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5095051 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5094122 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5094042 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)
• Microsoft security update · 5094041 (opens in a new tab)
• Microsoft remediation guidance (opens in a new tab)