Use after free in Blink in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Description

Affected Products

Vendor	Product	Versions
microsoft	edge	< 146.0.7680.153

References

https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.html(Vendor Advisory, Release Notes)
https://issues.chromium.org/issues/487117772(Issue Tracking, Permissions Required)

Related News (2 articles)

Tier A

Microsoft MSRC4d ago

Chromium: CVE-2026-4449 Use after free in Blink

→ No new info (linked only)

Tier B

CERT-FR4d ago

Multiples vulnérabilités dans Microsoft Edge (23 mars 2026)

→ No new info (linked only)

CVSS 3.18.8 HIGH

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

CISA KEV❌ No

Actively exploited✅ Yes

CWECWE-416

Published3/20/2026

Last enriched2h agov3

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Verification

State: verified

Confidence: 100%

Version History

Last enriched 2h ago

v3Tier A2h ago

Updated vendor to Microsoft and added product Edge, along with a new tag for Chromium.

vendorproducttags

via Microsoft MSRC

v2Tier A9h ago

Marked exploit availability as true, noted active exploitation, and added new tag CVE-2026-4449.

exploitAvailableactivelyExploitedtags

via Microsoft MSRC

v110h ago

Initial creation