Information disclosure in Google Chrome
CVE-2026-78941
Information leak in Core in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypass site isolation via a crafted HTML page. (Chromium security severity: Medium)
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.002 · change: -0.000
Affected products
Weakness classification (CWE)
References
- chromereleases.googleblog.com/2026/08/stable-channel-update-for-desktop_0256176… (Release Notes, Vendor Advisory)
- issues.chromium.org/issues/498327743 (Permissions Required)
Frequently asked questions
- What is CVE-2026-78941?
- CVE-2026-78941 is a low-severity vulnerability in Google Chrome, classified under Information Disclosure. CVSS score: 3.1/10. Published 2026-08-25.
- How severe is CVE-2026-78941?
- Low severity. CVSS v3 base score is 3.1 out of 10.