CVE-2026-79026
Chrome: use-after-free can lead to remote code execution
- Risk score
- 75/100
- CVSS
- 9.6 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 use after free vulnerability in Google Chrome's Extensions feature allows a remote attacker to potentially execute arbitrary code via a crafted Chrome extension, using social engineering.
- 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
At a glance
Chrome: Amber, patch this week. Use after free in PDF in Google Chrome prior to 155.0.8059.79 allowed a remote attacker to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Critical)
The flaws
- CVE-2026-79026: Use-after-free 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%)
- 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: Chrome before 155.0.8059.79
Where it stands
- No known exploitation
How it unfolded
- 16 Oct, Microsoft Security Response Center (official): Chromium CVE-2026-110136: Use after free
- 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
- 28 Oct, Microsoft Security Response Center (official): Chromium: CVE-2026-79026 Use after free in Extensions
Connects to
- Same weakness: Use-after-free (CWE-416). 398 other warnings in 30 days
- Same product: Earlier Chrome warnings. 397 in the last 90 days
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 Extensions in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering to potentially execute arbitrary code outside the sandbox via a crafted Chrome extension. (Chromium security severity: High)
Last activity 28 Oct 2026. Patch Forecast updates every hour.