CVE-2026-58523: Improper access control in Microsoft Edge for Android allows an unauthorized attacker to bypass a security fea

Q: How do I fix CVE-2026-58523?

edge chromium: upgrade to 150.0.4078.48. Exact commands for each OS are on this page.

Q: Is CVE-2026-58523 being exploited?

CVE-2026-58523 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-58523 affect?

CVE-2026-58523 affects edge chromium. Severity is medium (CVSS 6.5). Improper access control in Microsoft Edge for Android allows an unauthorized attacker to bypass a security feature over a network.

Q: How urgent is CVE-2026-58523?

Priority 42/100. On your watchlist

This month

MEDIUM 6.5WATCHLISTUPGRADE

CVE-2026-58523 is a medium-severity flaw (CVSS 6.5) affecting edge chromium. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-07-03
Last modified	2026-10-25

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-03 22:16 UTCPublished CVE record published
2026-10-25 15:10 UTCUpdated Record last modified

microsoft edge chromium UPGRADE

Affected: < 150.0.4078.48

Fixed in: 150.0.4078.48

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy edge-chromium || rpm -q edge-chromium || edge-chromium --version

2. UPGRADE to 150.0.4078.48 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade edge-chromium

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade edge-chromium

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-58523?

edge chromium: upgrade to 150.0.4078.48. Exact commands for each OS are on this page.

Is CVE-2026-58523 being exploited?

CVE-2026-58523 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-58523 affect?

CVE-2026-58523 affects edge chromium. Severity is medium (CVSS 6.5). Improper access control in Microsoft Edge for Android allows an unauthorized attacker to bypass a security feature over a network.

How urgent is CVE-2026-58523?

Priority 42/100. On your watchlist

Software pages

Microsoft Edge vulnerabilities · Android vulnerabilities · Chromium vulnerabilities

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References

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