CVE-2026-106196
Chrome: missing authorisation
- Risk score
- 54/100
- CVSS
- 7.6 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 6 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Missing authorization in Navigation in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security severity: Medium)
- Affected
- Chrome before 155.0.8059.39
- Fix
- Upgrade Chrome to 155.0.8059.39 or later.
- Exploitation
- No known exploitation
Story map
At a glance
Chrome: Amber, patch this week. Incorrect authorization in FileSystem in Google Chrome prior to 155.0.8059.39 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
The flaws
- CVE-2026-106196: Missing authorisation (CVSS 7.6 · EPSS 0%)
- CVE-2026-106329: Incorrect authorisation can lead to remote code execution (CVSS 9.6 · EPSS 0%)
- CVE-2026-106417: Integer overflow can lead to remote code execution (CVSS 9.6 · EPSS 0%)
- CVE-2026-110136: Use-after-free can lead to remote code execution (CVSS 9.6 · EPSS 0%)
The fix
Upgrade Chrome: 155.0.8059.39 · 155.0.8059.79 or later on your release line
Who is exposed: Chrome before 155.0.8059.39
Where it stands
- No known exploitation
How it unfolded
- 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-106329: Incorrect authorization
- 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-106417: Integer overflow
- 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-110136: Use after free
Connects to
- Same weakness: Missing authorisation (CWE-862). 400 other warnings in 30 days
- Same product: Earlier Chrome warnings. 396 in the last 90 days
Why it is Yellow
- CVSS 7.6 high
- Remotely exploitable without logging in
References
Original description
Missing authorization in Navigation in Google Chrome on on iOS prior to 155.0.8059.39 allowed a remote attacker to bypass web origin policy into a privileged page via a crafted HTML page. (Chromium security severity: Medium)
Last activity 6 Oct 2026. Patch Forecast updates every hour.