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CVE-2026-121087

chromium-browser: Improper input validation in Mobile

Improper input validation in Mobile in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121088

chromium-browser: Missing authorization in PerformanceAPIs

Missing authorization in PerformanceAPIs in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121091

chromium-browser: Incorrect authorization in Permissions

Incorrect authorization in Permissions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121102

chromium-browser: Missing authorization in BackgroundFetch

Missing authorization in BackgroundFetch in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121105

chromium-browser: Information leak in Network

Information leak in Network in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121107

chromium-browser: Incorrect authorization in BackgroundFetch

Incorrect authorization in BackgroundFetch in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: High)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121108

chromium-browser: Confused deputy in BackgroundFetch

Confused deputy in BackgroundFetch in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121120

chromium-browser: Improper input validation in Prerender

Improper input validation in Prerender in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121121

chromium-browser: UI misrepresentation in PageInfo

UI misrepresentation in PageInfo in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to spoof UI elements via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121122

chromium-browser: UI misrepresentation in Prompts

UI misrepresentation in Prompts in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to spoof UI elements via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121125

chromium-browser: Information leak in ServiceWorker

Information leak in ServiceWorker in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121130

chromium-browser: Observable discrepancy in Forms

Observable discrepancy in Forms in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain sensitive information via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121132

chromium-browser: Information leak in V8

Information leak in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121255

chromium-browser: Incorrect authorization in Autofill AI

Incorrect authorization in Autofill AI in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121257

chromium-browser: Use after free in TabStrip

Use after free in TabStrip in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: Medium)

CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121133

chromium-browser: Incorrect reference resolution in Images

Incorrect reference resolution in Images in Google Chrome on on Mac prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via crafted network traffic. (Chromium security severity: High)

CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Vendors
Apple Google
Products
Macos Chrome
CVE-2026-121134

chromium-browser: Information loss in BackgroundFetch

Information loss in BackgroundFetch in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121135

chromium-browser: Security issue in Platform

Security issue in Platform in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page. (Chromium security severity: Medium)

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121138

chromium-browser: Observable discrepancy in CORS

Observable discrepancy in CORS in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome
CVE-2026-121141

chromium-browser: Improper input validation in Editing

Improper input validation in Editing in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass web origin policy via a crafted HTML page. (Chromium security severity: Low)

CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Vendors
Google
Products
Chrome