CVE-2026-78941 json
Information leak in Core in Google Chrome prior to 152.0.7977.65 allowed a remote attacker who had compromised the renderer process to bypa…
published 2026-08-25 2 mo ago modified 2026-08-31 2 mo ago also EUVD-2026-65847
- cvss
- 3.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
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)
Patch / fix
- google chrome 152.0.7977.65
- chromium Debian 12 152.0.7977.75-1~deb12u1
- chromium Debian 13 152.0.7977.75-1~deb13u1
- chromium Debian 14 152.0.7977.64-1
debian advisories DEBIAN-CVE-2026-78941
- chromium openSUSE Leap 16.0 152.0.7977.82-bp160.1.1
- chromium openSUSE Tumbleweed 152.0.7977.64-1.1
opensuse advisories openSUSE-SU-2026:21799-1openSUSE-SU-2026:11628-1
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-78941 updated cvss 6.8
chromium-browser: Google Chrome: Information leak allows site isolation bypass
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 3.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected products
- Google Chrome
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
chromereleases.googleblog.com
/2026/08/stable-channel-update-for-desktop_0256176589.html
release-notes, vendor-advisory
-
issues.chromium.org
/issues/498327743
permissions-required
Sources
- CVE List CVE-2026-78941
- NVD CVE-2026-78941
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.