Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

What type of information could be disclosed by this vulnerability?
The issue could result in exposure of a small amount of internal system data, such as an internal identifier value. The information is limited in scope and does not involve user content or personal data.

According to the CVSS metrics, successful exploitation of this vulnerability could lead to some loss of confidentiality (C:L), and integrity (I:L) but lead to no loss of availability (A:N). What is the impact of this vulnerability?
An attacker who successfully exploited the vulnerability could view some sensitive information (Confidentiality), make changes to disclosed information (Integrity), but cannot limit access to the resource (Availability).

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do?
The user must visit the attacker‑controlled webpage, and perform the two tap gestures that cause autofill to activate.

What is the version information for this release?
152.0.4191.53: 152.0.4191.53, 08/28/2026: 08/28/2026, 152.0.7977.64/.65: 152.0.7977.64/.65

Security updates
152.0.4191.52 — https://learn.microsoft.com/en-us/DeployEdge/microsoft-edge-relnotes-security