Patch Forecast
Amber warning
Patch this week.

CVE-2026-79056

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
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 ServiceWorker allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. This could lead to code execution with high impact.
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: ChromeTHE FLAWSTHE FIXCVE-2026-79056Use-after-free can lead toremote code executionCVSS 9.6 · EPSS 0%CVE-2026-110136Use-after-free can lead toremote code executionCVSS 9.6 · EPSS 0%CVE-2026-106329Incorrect authorisation canlead to remote code executionCVSS 9.6 · EPSS 0%CVE-2026-106417Integer overflow can lead toremote code executionCVSS 9.6 · EPSS 0%Upgrade Chrome152.0.7977.65 · 155.0.8059.79· 155.0.8059.39or later on your release lineWho is exposed{'product': 'Google Chrome','version': 'prior to152.0.7977.65'}AMBER · PATCH THIS WEEKChromeA use after free vulnerability inGoogle Chrome's ServiceWorkerallowed a remote attacker topotentially execute arbitrarycode outside the sandbox via acrafted HTML page. This couldlead to code execution with high…Where it standsNo known exploitationHOW IT UNFOLDEDOfficial record on the left, the press on the right, oldest first.16 Oct · Microsoft Security Response CenterChromium CVE-2026-110136: Use after free16 Oct · Microsoft Security Response CenterChromium CVE-2026-106329: Incorrectauthorization16 Oct · Microsoft Security Response CenterChromium CVE-2026-106417: Integer overflow28 Oct · Microsoft Security Response CenterChromium: CVE-2026-79056 Use after free inServiceWorkerCONNECTS TOSame weaknessUse-after-free (CWE-416)400 other warnings in 30 days →Same productEarlier Chrome warnings397 in the last 90 days →
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 use after free vulnerability in Google Chrome's ServiceWorker allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. This could lead to code execution with high impact.

The flaws

  • CVE-2026-79056: 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: {'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-2026-79056 Use after free in ServiceWorker

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 ServiceWorker in Google Chrome prior to 152.0.7977.65 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Low)

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