Description

Policy bypass in MHTML in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted MHTML page. (Chromium security severity: Low)

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References

Other References

https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html https://issues.chromium.org/issues/517383492

Frequently Asked Questions

What is CVE-2026-17954? +

Policy bypass in MHTML in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to leak cross-origin data via a crafted MHTML page. (Chromium security severity: Low)

How do I check if I'm vulnerable to CVE-2026-17954? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.