CVE-2026-78949
LowCVSS 2.9Exploitation Probability (EPSS)
Low risk1th percentile - higher than 1% of all known CVEs
Summary
Observable discrepancy in CustomTabs in Google Chrome on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-installed app. (Severity: Medium)
Risk Assessment
The risk involves potential data leakage between apps on the device, which could compromise user privacy and data security.
Recommendation
It is recommended to update Google Chrome on Android to version 152.0.7977.65 or later and review permissions of co-installed apps.
Other vulnerabilities in Google Chrome
See all- CVE-2026-120930Unknown
Incorrect authorization in Blink in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to bypass web origin policy via a crafted HTML page. Chromium rates this as High severity.
- CVE-2026-121257Unknown
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)
- CVE-2026-121256High
Use of a released resource in GPU in Google Chrome prior to 157.0.8103.38 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page.
- CVE-2026-121255Unknown
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.
- CVE-2026-121254Unknown
Information leak in Select in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to obtain sensitive information via a crafted HTML page.
- CVE-2026-121253Unknown
Missing authorization in DevTools in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to bypass site isolation via a crafted Chrome extension.
- CVE-2026-121252Unknown
Incorrect authorization in Core in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page.
- CVE-2026-121251Unknown
Missing authorization in V8 in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass web origin policy via a crafted HTML page.
- CVE-2026-121250Unknown
Use after free in Extensions in Google Chrome prior to 157.0.8103.38 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension.
- CVE-2026-121248Unknown
Incorrect authorization in API in Google Chrome prior to 157.0.8103.38 allowed a remote attacker to bypass system access restrictions via a crafted Chrome extension.
Original NVD description (English source)
Observable discrepancy in CustomTabs in Google Chrome on on Android prior to 152.0.7977.65 allowed a local attacker to obtain cross-origin data via a co-installed app. (Chromium security severity: Medium)
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

