Patch Forecast
Amber warning
Patch this week.

CVE-2026-113263

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

Risk score
75/100
CVSS
9.6 v3.1
Exploit chance (30 days)
0.5%
Published
20 Oct 2026

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What to know

What it is
A use after free vulnerability in Google Chrome on Android prior to 156.0.8078.47 allows a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page.
Affected
{'product': 'Google Chrome', 'package': None, 'version': 'prior to 156.0.8078.47'}
Fix
Upgrade to version 156.0.8078.47 or later
Exploitation
Public proof of concept

Story map

Story map: ChromeTHE FLAWSTHE FIXCVE-2026-113263Use-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%CVE-2026-110136Use-after-free can lead toremote code executionCVSS 9.6 · EPSS 0%Upgrade Chrome156.0.8078.47 · 155.0.8059.39· 155.0.8059.79or later on your release lineWho is exposed{'product': 'Google Chrome','package': None, 'version': 'priorto 156.0.8078.47'}AMBER · PATCH THIS WEEKChromeA use after free vulnerability inGoogle Chrome on Android priorto 156.0.8078.47 allows aremote attacker to potentiallyexecute arbitrary code outsidethe sandbox via a crafted HTMLpage.Where it standsPublic proof of conceptHOW IT UNFOLDEDOfficial record on the left, the press on the right, oldest first.16 Oct · Microsoft Security Response CenterChromium CVE-2026-106329: Incorrectauthorization16 Oct · Microsoft Security Response CenterChromium CVE-2026-106417: Integer overflow16 Oct · Microsoft Security Response CenterChromium CVE-2026-110136: Use after freeCONNECTS TOSame weaknessUse-after-free (CWE-416)398 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 on Android prior to 156.0.8078.47 allows a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page.

The flaws

  • CVE-2026-113263: 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: 156.0.8078.47 · 155.0.8059.39 · 155.0.8059.79 or later on your release line

Who is exposed: {'product': 'Google Chrome', 'package': None, 'version': 'prior to 156.0.8078.47'}

Where it stands

  • Public proof of concept

How it unfolded

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

Connects to

Why it is Amber

  • CVSS 9.6 critical
  • Public exploit or proof of concept referenced
  • Remotely exploitable without logging in

References

Original description

Use after free in Core in Google Chrome on on Android prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: Medium)

Last activity 20 Oct 2026. Patch Forecast updates every hour.