CVE-2026-8561
published 2026-05-14CVE-2026-8561: Incorrect security UI in Fullscreen in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page…
PriorityP425medium5.4CVSS 3.1
AVNACLPRNUIRSUCLINAL
EPSS
0.18%
8.2th percentile
Incorrect security UI in Fullscreen in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| chrome | < 148.0.7778.168 | 148.0.7778.168 | |
| chrome | >= 148.0.7778.168 < 148.0.7778.168 | 148.0.7778.168 | |
| chrome_desktop | — | — | |
| paloalto | prisma_browser | — | — |
CVSS provenance
nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L
vendor_redhat5.4MEDIUM
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VulDB
Google Chrome up to 148.0.7778.96 Fullscreen clickjacking (ID 343352 / Nessus ID 314867)
vuldb·2026-05-17·CVSS 5.4
CVE-2026-8561 [MEDIUM] Google Chrome up to 148.0.7778.96 Fullscreen clickjacking (ID 343352 / Nessus ID 314867)
A vulnerability, which was classified as problematic, was found in Google Chrome. Impacted is an unknown function of the component Fullscreen. Executing a manipulation can lead to clickjacking.
This vulnerability is tracked as CVE-2026-8561. The attack can be launched remotely. No exploit exists.
You should upgrade the affected component.
GHSA
GHSA-qf67-qcvf-27gx: Incorrect security UI in Fullscreen in Google Chrome prior to 148
ghsa_unreviewed·2026-05-14
CVE-2026-8561 [MEDIUM] CWE-451 GHSA-qf67-qcvf-27gx: Incorrect security UI in Fullscreen in Google Chrome prior to 148
Incorrect security UI in Fullscreen in Google Chrome prior to 148.0.7778.168 allowed a remote attacker to perform UI spoofing via a crafted HTML page. (Chromium security severity: Medium)
Palo Alto
PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
vendor_paloalto·2026-06-10·CVSS 8.8
CVE-2026-8509 [HIGH] PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
PAN-SA-2026-0008 Chromium: Monthly Vulnerability Update (June 2026)
Palo Alto Networks incorporated the following Chromium security fixes into our products: https://chromereleases.googleblog.com/2026/06/stable-channel-update-for-desktop.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0877304591.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_0841193308.html https://chromereleases.googleblog.com/2026/05/stable-channel-update-for-desktop_12.html CVE Summary CVE-2026-8509 Heap buffer overflow in WebML CVE-2026-8510 Integer overflow in Skia CVE-2026-8511 Use after free in UI CVE-2026-8512 Use after free in FileSystem CVE-2026-8513 Use after free in Input CVE-2026-8514 Use after free in Aura CVE-2026-8515 Use after free
Red Hat
chromium-browser: chromium-browser: Incorrect security UI in Fullscreen
vendor_redhat·2026-05-14·CVSS 5.4
CVE-2026-8561 [MEDIUM] CWE-1021 chromium-browser: chromium-browser: Incorrect security UI in Fullscreen
chromium-browser: chromium-browser: Incorrect security UI in Fullscreen
An incorrect security ui flaw was found in the Fullscreen component of the Chromium browser.
Upstream bug(s):
https://code.google.com/p/chromium/issues/detail?id=343352552
Statement: Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.
Chrome
Stable Channel Update for Desktop: CVE-2026-8559
vendor_chrome·2026-05-12·CVSS 4.3
CVE-2026-8559 [HIGH] Stable Channel Update for Desktop: CVE-2026-8559
Stable Channel Update for Desktop
CVE-2026-8559: Integer overflow in Internationalization. Reported by Google on 2026-04-20 [TBD][ 328109821 ] Medium CVE-2026-8560: Heap buffer overflow in SwiftShader
Reported by Cassidy Kim(@cassidy6564) on 2024-03-05 [TBD][ 343352552 ] Medium CVE-2026-8561: Incorrect security UI in Fullscreen
Severity: high
No detection rules found.
No public exploits indexed.
2026-05-14
Published