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High

CVE-2026-118356

Use after free in WTF in Microsoft Edge vulnerability

Microsoft · Microsoft Edge

MSRC advisory October 31, 2026

Alert details

Source feed
Microsoft MSRC
CVE ID
CVE-2026-118356
CWE
CWE-416
Affected products
Microsoft Edge · Microsoft Microsoft Edge · Microsoft

What happened

This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information.

What it means for your business

Use after free in WTF in Microsoft Edge vulnerability (CVE-2026-118356) was added to Microsoft’s security update guidance. This CVE was assigned by Chrome. Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information. If you need help checking exposure, call (864) 335-9223.

CVSS score

8.8 (High)

EPSS probability

0.26%

Sources

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