Patch Forecast
Amber warning
Patch this week.

CVE-2026-106358

Chrome: use-after-free can lead to remote code execution

Risk score
76/100
CVSS
9.6 v3.1
Exploit chance (30 days)
0.5%
Published
6 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is
Use after free in Navigation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
Affected
Chrome before 155.0.8059.39
Fix
Upgrade Chrome to 155.0.8059.39 or later.
Exploitation
No known exploitation

Story map

Story map: the flaws, the fix, how it unfolded and what it connects to. Boxes link to the record or article.

At a glance

Chrome: Amber, patch this week. Use after free in Navigation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

The flaws

  • CVE-2026-106358: Use-after-free can lead to remote code execution (CVSS 9.6 · 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

  1. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-106358: Use after free
  2. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-106329: Incorrect authorization
  3. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-106417: Integer overflow
  4. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-110136: Use after free

Connects to

Why it is Amber

  • CVSS 9.6 critical
  • Remotely exploitable without logging in
  • Named in a government or vendor bulletin

Government and vendor bulletins

References

Original description

Use after free in Navigation in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)

Last activity 16 Oct 2026. Patch Forecast updates every hour.