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Microsoft Edge Android CVE-2026-58523

| EUVDEUVD-2026-41653 MEDIUM
Improper Access Control (CWE-284)
2026-07-03 microsoft GHSA-49m2-v6xm-3fhr
6.5
CVSS 3.1 · NVD
Temporal: 5.7
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Severity by source

Vendor (microsoft) PRIMARY
MEDIUM
qualitative
NVD
6.5 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CIRCL (temporal)
5.7 MEDIUM
cvss
vuln.today AI
6.5 MEDIUM

Network-delivered browser attack requires user click (UI:R); no credentials needed; bypass yields confidentiality loss only, no integrity or availability impact.

3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (microsoft).

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

Lifecycle Timeline

2
Analysis Generated
Jul 03, 2026 - 22:20 vuln.today
CVE Published
Jul 03, 2026 - 21:26 cve.org
MEDIUM 6.5

DescriptionNVD

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

AnalysisAI

Security feature bypass in Microsoft Edge for Android exposes high-confidentiality data to unauthenticated network attackers who can induce user interaction. The vulnerability stems from improper access control (CWE-284) in the Chromium-based mobile browser, allowing an attacker to circumvent a security boundary and access protected information without credentials. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Attacker crafts malicious web content
Delivery
Delivers link to Edge Android user
Exploit
User clicks or navigates (UI:R)
Execution
Improper access control bypassed in browser
Impact
High-confidentiality data accessed by attacker

Vulnerability AssessmentAI

Exploitation Exploitation requires that the victim is using Microsoft Edge (Chromium-based) on an Android device and must perform an active interaction - such as clicking a malicious link or navigating to an attacker-controlled page (UI:R confirmed by CVSS vector). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS base score of 6.5 (Medium) is supported by a vector of AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N, indicating a network-reachable, low-complexity, unauthenticated attack that requires user interaction and yields high confidentiality exposure. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker hosts a malicious web page or crafted content that triggers the access control flaw when visited by a target using Microsoft Edge on Android. When the victim clicks a link or navigates to the attacker-controlled resource (satisfying UI:R), the security feature bypass is triggered and the attacker gains unauthorized access to high-confidentiality data accessible within the browser's security context. …
Remediation Apply the vendor-released patch for Microsoft Edge for Android as documented in the MSRC advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58523. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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10.0 Jul 03

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CVE-2026-57985 HIGH
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CVE-2026-58288 HIGH
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Remote code execution in Microsoft Edge (Chromium-based) stems from a use-after-free (CWE-416) memory-corruption flaw th

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Remote code execution in Microsoft Edge (Chromium-based) via a type-confusion flaw (CWE-843) lets an unauthorized attack

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Remote code execution in Microsoft Edge (Chromium-based) allows an unauthorized attacker to run arbitrary code when a vi

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CVE-2026-58523 vulnerability details – vuln.today

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