Use-after-free in Microsoft Edge - CVE-2026-57992
Published: July 15, 2026
Vulnerability identifier: #VU137815
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-57992
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Microsoft Edge
Microsoft Edge
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to use-after-free in Microsoft Edge (Chromium-based) when processing crafted web content. A remote attacker can host a specially crafted website and convince a user to visit it to execute arbitrary code.
User interaction is required, and successful exploitation requires the user to perform two sequential tap gestures that activate autofill.
How to mitigate CVE-2026-57992
Install security update from vendor's website.