CVE-2026-87492
CRITICAL 9.6 ALL-YEARSIncorrect authorization in DevTools in Google Chrome prior to 153.0.8010.36 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Severe if exploited (CVSS 9.6), but no confirmed exploitation. Patch on a normal cadence.
Exploitation likelihood
0.4%chance of exploitation in 30 days · 38th percentile
Impact if exploited
9.6CVSS 3.1 · CRITICAL · ADP
- 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: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
Search GitHub now — results may be empty or unverified.
Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Weakness (CWE)
- CWE-863: Incorrect authorization
CVSS vector
CVSS:3.1/AV:N/AC:L/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-2026-87492 · Updated 2026-09-11T10:10:40+00:00
Unverified PoC candidates
Catalogue matches for further research. These repositories have not been validated as working exploits.
1 candidate
- https://github.com/valencenavy/IsolatedAnarchy-Public
Public release of CVE-2026-87492 🥷
PoC-in-GitHub · CVE-2026-87492
PoC-in-GitHub · CVE-2026-87492 · Updated 2026-09-16T18:27:24Z
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Chrome | < 153.0.8010.36 |
All CVSS metrics
- CRITICAL 9.6 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CRITICAL 9.6 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/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_0808145027.html CVE record · Chrome · Updated 2026-09-09T00:09:33.830Z
NVD · CVE-2026-87492 · Updated 2026-09-10T04:18:21.990 - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-87492.json Red Hat · CVE-2026-87492 · Updated 2026-09-11T10:10:40+00:00
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-74499 EUVD · EUVD-2026-74499
Technical & other
- https://issues.chromium.org/issues/529123409 CVE record · Chrome · Updated 2026-09-09T00:09:33.830Z
NVD · CVE-2026-87492 · Updated 2026-09-10T04:18:21.990 - https://access.redhat.com/security/cve/CVE-2026-87492 Red Hat · CVE-2026-87492 · Updated 2026-09-11T10:10:40+00:00
- https://www.cve.org/CVERecord?id=CVE-2026-87492 Red Hat · CVE-2026-87492 · Updated 2026-09-11T10:10:40+00:00
Sources: NVD · CVE.org · All sources and attribution · EPSS