CVE-2026-109736
Frame poisoning in the Layout component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 15
CVSS
8.1
Alto
EPSS
0.2%
p5
KEV
—
Exploit Today
1
0-100
Publicado: 13 oct 2026 · Última mod.: 19 oct 2026 · CWE-451
0.2%EPSS · 30 días0.2%
2026-10-142026-10-19
Frame poisoning in the Layout component. This vulnerability was fixed in Firefox 158, Firefox ESR 153.5, Thunderbird 158, and Thunderbird 153.5.
- bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=2029784
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-106/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-108/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-109/
- www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2026-110/
CVECVSSEPSSKEVRExplotTítuloVis.
CVE-2026-1094344.3 MED—
——0Fenrir Sleipnir Browser for Android before 3.9.0 contains a UI spoofing vulnerability that allows remote attackers to impersonate the browser's trusted address bar by entering fullscreen mode via the Fullscreen API without displaying a persistent notification or trusted-origin indicator. Attackers can render a counterfeit address bar showing a trusted origin over attacker-controlled content after a single user tap, enabling credential harvesting, malware delivery, or social engineering through fake login, update, or payment pages.19hCVE-2026-1097477.3 ALT4.4%
——1Other issue in the Address Bar component. This vulnerability was fixed in Firefox 158 and Thunderbird 158.1dCVE-2026-1093468.1 ALT19.0%
——6better-auth from 1.3.8-beta.3 before 1.7.0-rc.3 contains a UI misrepresentation vulnerability in the deviceAuthorization plugin because GET /device omits the requesting client_id and scope. Attackers can start a device request via /device/code, trick signed-in users into approving the code, then redeem it at /device/token for a live session token.4dCVE-2026-1063805.4 MED10.7%
——3UI misrepresentation in UI in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)14dCVE-2026-1063685.4 MED9.0%
——3UI misrepresentation in UI in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)6dCVE-2026-106338—9.0%
——3UI misrepresentation in PictureInPicture in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to spoof address bar via a crafted HTML page. (Chromium security severity: Low)14d