How severe is CVE-2026-4453?

CVE-2026-4453 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-4453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4453?

CVE-2026-4453 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-4453?

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

Does CVE-2026-4453 have an EU (EUVD) identifier?

Yes. CVE-2026-4453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13470.

When was CVE-2026-4453 published?

CVE-2026-4453 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2026-4453

CVE-2026-4453 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.3. 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13470
Weakness: CWE-190
Affected product: Google Chrome
Published: 2026-03-20
Last modified: 2026-06-17

Description

Integer overflow in Dawn in Google Chrome on Mac prior to 146.0.7680.153 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)

Frequently asked questions

What is CVE-2026-4453?: Integer overflow in Dawn in Google Chrome on Mac prior to 146.0.7680.153 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: High)
How severe is CVE-2026-4453?: CVE-2026-4453 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-4453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4453?: CVE-2026-4453 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-4453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4453 have an EU (EUVD) identifier?: Yes. CVE-2026-4453 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13470.
When was CVE-2026-4453 published?: CVE-2026-4453 was published on 2026-03-20 and last updated on 2026-06-17.

References

Affected products (1)

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

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