Patch Forecast
Amber warning
Patch this week.

CVE-2026-79090

Chrome: privilege escalation

Risk score
76/100
CVSS
9.8 v3.1
Exploit chance (30 days)
0.4%
Published
25 Aug 2026

Open in the live forecast Today's forecast

What to know

What it is
A vulnerability in Google Chrome's Actor feature allows a remote attacker to bypass system access restrictions via a crafted HTML page, potentially leading to high-level access and control.
Affected
{'product': 'Google Chrome', 'version': 'prior to 152.0.7977.65'}
Fix
Upgrade to version 152.0.7977.65 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. A vulnerability in Google Chrome's Actor feature allows a remote attacker to bypass system access restrictions via a crafted HTML page, potentially leading to high-level access and control.

The flaws

  • CVE-2026-79090: Privilege escalation (CVSS 9.8 · EPSS 0%)
  • CVE-2026-110136: 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%)

The fix

Upgrade Chrome: 152.0.7977.65 · 155.0.8059.79 · 155.0.8059.39 or later on your release line

Who is exposed: {'product': 'Google Chrome', 'version': 'prior to 152.0.7977.65'}

Where it stands

  • No known exploitation

How it unfolded

  1. 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-110136: 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. 28 Oct, Microsoft Security Response Center (official): Chromium: CVE-2026-79090 Improper privilege management in Actor

Connects to

Why it is Amber

  • CVSS 9.8 critical
  • Remotely exploitable without logging in
  • Named in a government or vendor bulletin

Government and vendor bulletins

References

Original description

Improper privilege management in Actor in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to bypass system access restrictions via a crafted HTML page. (Chromium security severity: Low)

Last activity 28 Oct 2026. Patch Forecast updates every hour.