CVE-2026-5876

MEDIUMNVD 6.56.5—

6.5

Side-channel information leakage in Navigation in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 11.8%
KEV: Not listed

Published

April 8, 2026

Last Modified

April 13, 2026

References (2)

chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
chrome-cve-admin@googlehttps://issues.chromium.org/issues/41485206

Vendor Advisories for CVE-2026-5876(1)

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

CVE-2026-5876
Microsoft Security Response Center (MSRC)
Chromium: CVE-2026-5876 Side-channel information leakage in Navigation

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1300

Data Freshness Timeline

(refreshed 11× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:13 UTCepss_batch
2026-06-01 13:52 UTCepss_batch
2026-06-01 13:52 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 18:14 UTCEG score recompute
2026-05-20 18:14 UTCVendor advisory
2026-05-20 18:14 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-5876?

CVE-2026-5876 is a medium vulnerability published on April 8, 2026. Side-channel information leakage in Navigation in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

When was CVE-2026-5876 disclosed?

CVE-2026-5876 was first published in the National Vulnerability Database on April 8, 2026, with the most recent update on April 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-5876 actively exploited?

CVE-2026-5876 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 11.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-5876?

CVE-2026-5876 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2026-5876?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5876, 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-2026-5876

📅 Published

🔄 Last Modified

🔗 References (2)

📣 Vendor Advisories for CVE-2026-5876(1)