CVE-2026-91724
HIGH 8.3Use after free in Input in Google Chrome prior to 153.0.8010.47 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Severe if exploited (CVSS 8.3), but no known exploitation and low modeled probability. Patch on a normal cadence.
Exploitation likelihood
0.3%chance of exploitation in 30 days · 27th percentile
Impact if exploited
8.3CVSS 3.1 · HIGH
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityHigh
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ✓Privileges: No account or privileges required
- ⚠User interaction: A user must take an action (click / open a file)
- ⚠Complexity: Needs a race window or specific setup
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
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Data snapshot:
Weakness (CWE)
- CWE-416: Use after free
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
References and research data (JSON)
Vendor product assessments
All currently supported Red Hat products · known not affected
Vendor assessment for this product only.
Reason: vulnerable code not present
Red Hat · CVE-2026-91724 · Updated 2026-09-23T01:21:40+00:00
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Chrome | < 153.0.8010.47 |
All CVSS metrics
- HIGH 8.3 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H - HIGH 8.3 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
References
Advisories
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop_0541751186.html CVE record · Chrome · Updated 2026-09-15T20:41:27.242Z
NVD · CVE-2026-91724 · Updated 2026-09-17T17:53:08.807
Red Hat · CVE-2026-91724 · Updated 2026-09-23T01:21:40+00:00 - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-91724.json Red Hat · CVE-2026-91724 · Updated 2026-09-23T01:21:40+00:00
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-79957 EUVD · EUVD-2026-79957
Technical & other
- https://issues.chromium.org/issues/552283275 CVE record · Chrome · Updated 2026-09-15T20:41:27.242Z
NVD · CVE-2026-91724 · Updated 2026-09-17T17:53:08.807
Red Hat · CVE-2026-91724 · Updated 2026-09-23T01:21:40+00:00 - https://access.redhat.com/security/cve/CVE-2026-91724 Red Hat · CVE-2026-91724 · Updated 2026-09-23T01:21:40+00:00
- https://www.cve.org/CVERecord?id=CVE-2026-91724 Red Hat · CVE-2026-91724 · Updated 2026-09-23T01:21:40+00:00
- https://nvd.nist.gov/vuln/detail/CVE-2026-91724 Red Hat · CVE-2026-91724 · Updated 2026-09-23T01:21:40+00:00