What is CVE-2026-15769?

CVE-2026-15769 is a security advisory published by Microsoft Security Response Center (MSRC). Chromium: CVE-2026-15769 Insufficient validation of untrusted input in Linux Toolkit Theming

Which CVE IDs does CVE-2026-15769 cover?

CVE-2026-15769 covers the following CVE IDs: CVE-2026-15769. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

Which products are affected by CVE-2026-15769?

CVE-2026-15769 affects 1 product, including: Microsoft Edge (Chromium-based).

CVE-2026-15769

Chromium: CVE-2026-15769 Insufficient validation of untrusted input in Linux Toolkit Theming

Vendor

Microsoft Security Response Center (MSRC)

Published

July 17, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-15769 →

📋 Description

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.

🎯 Affected products1

Microsoft Edge (Chromium-based)

✅ Remediation

KBRelease Notes (Security Update)

🔗 References (2)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-15769
referencehttps://docs.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security