CVE-2026-8586

MEDIUMNVD 5.55.5—

5.5

Inappropriate implementation in Chromoting in Google Chrome prior to 148.0.7778.168 allowed a local attacker to bypass discretionary access control via a malicious file. (Chromium security severity: Medium)

CVSS v3: 5.5
EG Score: 5.5(high)
EPSS: 0.6%
KEV: Not listed

Published

May 14, 2026

Last Modified

May 18, 2026

Advisory Details (2)

Auto-updated May 18, 2026

No patch confirmed yet.

generic

Chromium

https://issues.chromium.org/issues/499154022

generic

Chrome Releases: Stable Channel Update for Desktop

https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html

Vendor Advisories for CVE-2026-8586(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Frequently asked(5)

What is CVE-2026-8586?

CVE-2026-8586 is a medium vulnerability published on May 14, 2026. Inappropriate implementation in Chromoting in Google Chrome prior to 148.0.7778.168 allowed a local attacker to bypass discretionary access control via a malicious file. (Chromium security severity: Medium)

When was CVE-2026-8586 disclosed?

CVE-2026-8586 was first published in the National Vulnerability Database on May 14, 2026, with the most recent update on May 18, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-8586 actively exploited?

CVE-2026-8586 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-8586?

CVE-2026-8586 has a CVSS v3 base score of 5.5 (NVD).

How do I remediate CVE-2026-8586?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8586, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-8586

📅 Published

🔄 Last Modified

📋 Advisory Details (2)

Chromium

Chrome Releases: Stable Channel Update for Desktop

📣 Vendor Advisories for CVE-2026-8586(2)

❓ Frequently asked(5)