CVE-2026-58296 | Microsoft Edge for Android Information Disclosure Vulnerability

Exposure of private personal information to an unauthorized actor in Microsoft Edge for Android allows an unauthorized attacker to disclose information over a network.

Published: 2026-07-03 Last update: 2026-07-07 Assigner: [email protected] Source: [email protected]
NVD Status：Analyzed，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2026-58296 is rated Low Risk (36.4/100): CVSS High severity, with low exploitation likelihood (EPSS 0.31%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-58296

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-07-04 — 0.31% —

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-58296

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.1 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 4.2 [email protected]

Weakness enumeration for CVE-2026-58296

GitHub Security Advisory for CVE-2026-58296

GHSA-vfc9-fgwm-8mwp · Severity: high — Exposure of private personal information to an unauthorized actor in Microsoft Edge for Android...

Affected software / configurations for CVE-2026-58296

Vendor Product Version Raw CPE
microsoft edge_chromium < 150.0.4078.48 cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*

References for CVE-2026-58296

cvelogic Threat Intelligence