CVE-2026-87626: Incorrect authorization in Google Chrome
Affects Google ChromeSource GCVE Database
Not known to be exploited · CVSS 6.5 Medium · fixed in 153.0.8010.36 : update Google Chrome when convenient.
Data as of 10/25/2026, 04:40:14 UTC
- Exploitation
Not in CISA KEV, no exploitation reported
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 153.0.8010.36
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NWhat to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Google Chrome | Affected
| Fixed in
|
AI-suggested
A fix is available in Google Chrome version 153.0.8010.36. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigations are specified.
Description
CVE-2026-87626 is a medium severity vulnerability in Google Chrome prior to version 153.0.8010.36. It involves incorrect authorization in the DeviceBoundSessionCredentials component, allowing a remote attacker to bypass the web origin policy by sending crafted network traffic. This could lead to unauthorized actions within the browser context. The vulnerability does not impact confidentiality but affects integrity, and requires user interaction to exploit.
Impact
An attacker can bypass the web origin policy, potentially allowing unauthorized actions that compromise the integrity of web content or sessions. Confidentiality and availability are not impacted. Exploitation requires user interaction.
Weaknesses
- CWE-863Incorrect Authorization (opens in a new tab)
Class weaknessLikelihood of exploit: HighCWE Top 25 (2025): #17OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.