Type Vulnerability
CVE-2026-79223 has an estimated ~0.3% chance of attack in 30 days (24.7th percentile) as of 2026-10-28 — probability signal, not confirmed exploitation Exploitation in the wild is not confirmed…
Integer overflow in Chromium in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to read memory inside the sandbox via a crafted file
CVE-2026-79223
What this means
This is rated high severity (8.8 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
Integer overflow in Chromium in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to read memory inside the sandbox via a crafted file. (Chromium security severity: Low)
Scoring and exploitation
8.8/ 10
CVSS 3.1 base scoreHigh
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityLowAC:L
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeUnchangedS:U
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- ~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
CWE-190
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.
chromereleases.googleblog.com1 link
issues.chromium.org1 link
- 530816571 (opens in a new tab)Permissions Required