CVE-2026-91718
What this means
This is rated critical severity (9.6 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Google Chrome is in your estate, and treat that as the priority.
Full vendor description
Use after free in Core in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Scoring and exploitation
Exploitable over the network without any account, but only if a user takes an action, such as opening a file or link. High impact on confidentiality, integrity and availability, and it can reach beyond the vulnerable system.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Impact
Longer bar: more harm
- ~0.3% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
Affected products ()
- Google Chrome
Show the raw CPE strings (1)
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
References
2 links from the CVE record, grouped by site; the vendor's advisory comes first.
chromereleases.googleblog.com1 linkVendor advisory
- stable-channel-update-for-desktop_0541751186.html (opens in a new tab)Release Notes · Vendor Advisory
issues.chromium.org1 linkVendor advisory
- 553133215 (opens in a new tab)Vendor Advisory · Permissions Required