Vulnerability · NVD

CVE-2026-78439

CVE-2026-78439, high severity (CVSS 8.8): 2 tracked apps concerned, all fixed or indeterminable on their current version.

Published on 2026-09-08

Stack-based buffer overflow in Microsoft Graphics Component allows an unauthorized attacker to execute code over a network.

Attack vector : Network No privileges required

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS 0.84% above median percentile 56.3%

Tracked apps referencing this CVE

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

Microsoft Office macOS brew:cask:microsoft-office

Affected ≥16.0.1 <16.0.20430.20000 Fixed in 16.0.20430.20000 Latest tracked 16.113.26092714 patched
Office Windows winget:Microsoft.Office

Affected ≥16.0.1 <16.0.20430.20000 Fixed in 16.0.20430.20000 Latest tracked - undetermined

Vulnerable CPE configurations (2)

Vendor	Product	Platform	Versions	CPE 2.3 URI
microsoft	office All platforms (wildcard)	All platforms (wildcard)	≥16.0.1 <16.0.20430.20000	cpe:2.3:a:microsoft:office:::android:::::*
microsoft	office All platforms (wildcard)	All platforms (wildcard)	≥16.0.1 <16.0.20430.20000	cpe:2.3:a:microsoft:office:::android:::::*

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