Advisory Details

December 17th, 2025

Microsoft Edge Mark-Of-The-Web Removal Remote Code Execution Vulnerability

ZDI-25-1099
ZDI-CAN-27795

CVE ID CVE-2025-60711
CVSS SCORE 8.8, AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
AFFECTED VENDORS Microsoft
AFFECTED PRODUCTS Edge
VULNERABILITY DETAILS

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Edge. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the handling of downloaded files. By performing crafted web requests, an attacker can cause the Mark-Of-The-Web to be removed from downloaded files. An attacker can leverage this vulnerability to execute code in the context of the current user at medium integrity.

ADDITIONAL DETAILS Microsoft has issued an update to correct this vulnerability. More details can be found at:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-60711
DISCLOSURE TIMELINE
  • 2025-09-04 - Vulnerability reported to vendor
  • 2025-12-17 - Coordinated public release of advisory
  • 2025-12-17 - Advisory Updated
CREDIT Eduardo Braun Prado
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