CVE-2026-4453
MEDIUMCVSS 4.3/10EPSS 0.18%
Last modified
CVE-2026-4453 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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). EPSS estimates a 0.18% chance of exploitation in the next 30 days.
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)
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Chrome | < 146.0.7680.153 |
References
- https://chromereleases.googleblog.com/2026/03/stable-channel-update-for-desktop_18.htmlRelease Notes, Vendor Advisory
- https://issues.chromium.org/issues/488400770Issue Tracking, Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
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 score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.18% probability of exploitation in the next 30 days.
How do I fix CVE-2026-4453?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-4453?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST