CVE-2026-78903: low-severity vulnerability in Google Chrome
Published · Updated
8Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 3.1epss 0.3%
from disclosure to weapon5 days
Published on NVDAug 25
1st PoC+5d
exploitation probability
0.3%top 79% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
Incomplete cleanup in SiteIsolation 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)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
Affected products
Google · Chromepublic PoCs found — 1
githubgithub.com/vxssroott/CVE-2026-78903-SWIFT-Kick-to-the-Creds★ 2⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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