CVE-2026-9907

MEDIUMNVD 4.34.3—Trending — 3 sources updated this week

4.3

Out of bounds read in Dawn in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

CVSS v3: 4.3
EG Score: 4.3(high)
EPSS: 7.4%
KEV: Not listed

Published

May 28, 2026

Last Modified

May 29, 2026

References (2)

chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html
chrome-cve-admin@googlehttps://issues.chromium.org/issues/499091269

Vendor Advisories for CVE-2026-9907(1)

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

GHSA-mv3r-5x8j-pmcc
GitHub Security AdvisoriesMedium
Out of bounds read in Dawn in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote...

Weakness Classification(1)

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

CWE-125Out-of-bounds Read

Data Freshness Timeline

(refreshed 6× in last 7d / 6× 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.

2026-06-01 00:57 UTCEG score recompute▲ 4.30
2026-06-01 00:57 UTCGHSA enrichment
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 22:52 UTCEG score recompute

Frequently asked(5)

What is CVE-2026-9907?

CVE-2026-9907 is a medium vulnerability published on May 28, 2026. Out of bounds read in Dawn in Google Chrome on Windows prior to 148.0.7778.216 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

When was CVE-2026-9907 disclosed?

CVE-2026-9907 was first published in the National Vulnerability Database on May 28, 2026, with the most recent update on May 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-9907 actively exploited?

CVE-2026-9907 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 7.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-9907?

CVE-2026-9907 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2026-9907?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-9907, 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-2026-9907

📅 Published

🔄 Last Modified

🔗 References (2)

📣 Vendor Advisories for CVE-2026-9907(1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)