External Control of File Name or Path in Microsoft Edge - CVE-2026-41107
Published: May 12, 2026
Vulnerability identifier: #VU131187
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-41107
CWE-ID: CWE-73
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to extract cookie files from the system.
The vulnerability exists due to external control over a filename. A remote attacker can trick the victim into opening a specially crafted Office file and steal cookies data and cached sessions.
Affected software
Microsoft Edge
How to mitigate CVE-2026-41107
Install updates from vendor's website.
Microsoft Edge - update to 148.0.3967.55