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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-58523

Improper access control in Microsoft Edge for Android allows an unauthorized attacker to bypass a security feature over a network.

MEDIUM 6.5EPSS 0.88%

Does this matter?

Lower severity and a low EPSS score (0.88%). Track it; it rarely justifies an emergency change on its own.

Description

Improper access control in Microsoft Edge for Android allows an unauthorized attacker to bypass a security feature over a network.

CVSS 3.1
6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
0.88% probability · 59th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-284
Affected
microsoft/edge chromium
Source
secure@microsoft.com
EPSS trend
0%3%5%26 October 2026: 0.88%26 October 202626 October 2026

EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.