cbcvebase.
CVE-2026-87570
published 2026-09-09

CVE-2026-87570: Incorrect authorization in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process and…

PriorityP349high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.31%
22.2th percentile
Incorrect authorization in SiteIsolation in Google Chrome prior to 153.0.8010.36 allowed a remote attacker who had compromised the renderer process and leveraged social engineering to bypass site isolation via a crafted file. (Chromium security severity: Medium)

Affected

4 ranges
VendorProductVersion rangeFixed in
googlechrome< 153.0.8010.36153.0.8010.36
googlechrome>= 153.0.8010.36 < 153.0.8010.36153.0.8010.36
googlechrome_desktop——
paloaltoprisma_browser——
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.