How severe is CVE-2026-3929?

CVE-2026-3929 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-3929 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-3929?

CVE-2026-3929 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-3929?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-3929 have an EU (EUVD) identifier?

Yes. CVE-2026-3929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11450.

When was CVE-2026-3929 published?

CVE-2026-3929 was published on 2026-03-11 and last updated on 2026-06-17.

CVE-2026-3929

CVE-2026-3929 is a low-severity vulnerability in Google Chrome with a CVSS 3.x base score of 3.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1300.

Key facts

Severity: Low (CVSS 3.x base score 3.1)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-11450
Weakness: CWE-1300
Affected product: Google Chrome
Published: 2026-03-11
Last modified: 2026-06-17

Description

Side-channel information leakage in ResourceTiming in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Frequently asked questions

What is CVE-2026-3929?: Side-channel information leakage in ResourceTiming in Google Chrome prior to 146.0.7680.71 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
How severe is CVE-2026-3929?: CVE-2026-3929 has a CVSS 3.x base score of 3.1, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-3929 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-3929?: CVE-2026-3929 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-3929?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-3929 have an EU (EUVD) identifier?: Yes. CVE-2026-3929 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11450.
When was CVE-2026-3929 published?: CVE-2026-3929 was published on 2026-03-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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