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CVE-2026-103624

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

Risk score
59/100
CVSS
8.3 v3.1
Exploit chance (30 days)
0.3%
Published
2 Oct 2026

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What to know

What it is
Use after free in Contextual Tasks in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Affected
Chrome before 154.0.8037.97
Fix
Upgrade Chrome to 154.0.8037.97 or later.
Exploitation
No known exploitation

Story map

Story map: ChromeTHE FLAWSTHE FIXCVE-2026-103624Use-after-free can lead toremote code executionCVSS 8.3 · 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 Chrome154.0.8037.97 · 155.0.8059.79· 155.0.8059.39or later on your release lineWho is exposedChrome before 155.0.8059.79AMBER · PATCH THIS WEEKChromeUse after free in PDF in GoogleChrome prior to 155.0.8059.79allowed a remote attacker toexecute arbitrary code outsidethe sandbox via a crafted HTMLpage. (Chromium securityseverity: Critical)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 overflowCONNECTS TOSame weaknessUse-after-free (CWE-416)399 other warnings in 30 days →Same productEarlier Chrome warnings396 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. 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-2026-103624: Use-after-free can lead to remote code execution (CVSS 8.3 · 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: 154.0.8037.97 · 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

  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

Connects to

Why it is Yellow

  • CVSS 8.3 high
  • Remotely exploitable without logging in

References

Original description

Use after free in Contextual Tasks in Google Chrome on on Windows prior to 154.0.8037.97 allowed a remote attacker who had compromised the renderer process to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)

Last activity 2 Oct 2026. Patch Forecast updates every hour.