CVE-2026-84330
MEDIUM 5.4 ALL-YEARSUI misrepresentation in FullScreen in Google Chrome on on Android prior to 152.0.7977.75 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: Medium)
No known exploitation, public exploit, or elevated probability at this time. Track for changes.
Exploitation likelihood
0.3%chance of exploitation in 30 days · 17th percentile
Impact if exploited
5.4CVSS 3.1 · MEDIUM · ADP
- ConfidentialityLow
- IntegrityNone
- AvailabilityLow
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.
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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-451: UI misrepresentation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
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-2026-84330 · Updated 2026-09-19T01:02:56+00:00
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Chrome | < 152.0.7977.75 |
All CVSS metrics
- MEDIUM 5.4 v3.1 · ADP Primary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L - MEDIUM 5.4 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
References
Advisories
- https://chromereleases.googleblog.com/2026/09/stable-channel-update-for-desktop.html CVE record · Chrome · Updated 2026-09-01T23:42:28.932Z
NVD · CVE-2026-84330 · Updated 2026-09-08T17:55:27.820
Red Hat · CVE-2026-84330 · Updated 2026-09-19T01:02:56+00:00 - https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-84330.json Red Hat · CVE-2026-84330 · Updated 2026-09-19T01:02:56+00:00
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-69745 EUVD · EUVD-2026-69745
Technical & other
- https://issues.chromium.org/issues/517091927 CVE record · Chrome · Updated 2026-09-01T23:42:28.932Z
NVD · CVE-2026-84330 · Updated 2026-09-08T17:55:27.820
Red Hat · CVE-2026-84330 · Updated 2026-09-19T01:02:56+00:00 - https://access.redhat.com/security/cve/CVE-2026-84330 Red Hat · CVE-2026-84330 · Updated 2026-09-19T01:02:56+00:00
- https://www.cve.org/CVERecord?id=CVE-2026-84330 Red Hat · CVE-2026-84330 · Updated 2026-09-19T01:02:56+00:00
- https://nvd.nist.gov/vuln/detail/CVE-2026-84330 Red Hat · CVE-2026-84330 · Updated 2026-09-19T01:02:56+00:00
Sources: NVD · CVE.org · All sources and attribution · EPSS