CVE-2026-85048
HIGH 8.3 ALL-YEARSUse after free in Compositing in Google Chrome prior to 152.0.7977.82 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Severe if exploited (CVSS 8.3), but no confirmed exploitation. Patch on a normal cadence.
Exploitation likelihood
0.4%chance of exploitation in 30 days · 34th percentile
Impact if exploited
8.3CVSS 3.1 · HIGH · 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: Needs a race window or specific setup
✓ 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-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-2026-85048 · Updated 2026-09-03T20:07:12+00:00
Unverified PoC candidates
Catalogue matches for further research. These repositories have not been validated as working exploits.
1 candidate
- https://github.com/SneakyNachos/CVE-2026-85048-the-gpu-diedPoC-in-GitHub · CVE-2026-85048
PoC-in-GitHub · CVE-2026-85048 · Updated 2026-09-17T16:10:41Z
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Chrome | < 152.0.7977.82 |
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_01882797386.html CVE record · Chrome · Updated 2026-09-03T19:26:13.172Z
NVD · CVE-2026-85048 · Updated 2026-09-08T16:19:00.230 - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-85048.json Red Hat · CVE-2026-85048 · Updated 2026-09-03T20:07:12+00:00
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-70705 EUVD · EUVD-2026-70705
Technical & other
- https://issues.chromium.org/issues/540357382 CVE record · Chrome · Updated 2026-09-03T19:26:13.172Z
NVD · CVE-2026-85048 · Updated 2026-09-08T16:19:00.230 - https://access.redhat.com/security/cve/CVE-2026-85048 Red Hat · CVE-2026-85048 · Updated 2026-09-03T20:07:12+00:00
- https://www.cve.org/CVERecord?id=CVE-2026-85048 Red Hat · CVE-2026-85048 · Updated 2026-09-03T20:07:12+00:00
Sources: NVD · CVE.org · All sources and attribution · EPSS