Google · Memory corruption
Use after free in Browser 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
At a glance
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
- IT leaders should verify if Google Chrome versions prior to 155.0.8059.79 are in use.
Questions to ask IT
- Do we run Google Chrome and Microsoft Edge, and is every instance on version 155.0.8059.79 or later?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 15 Nov?
Next steps
- Confirm whether this affects systems or suppliers in your estate
Vulnerability facts
Full CVE detail CVE-2026-110149- 9.6 · CriticalExploitable over the network without any account, but only if a user takes an action, such as opening a file or link. High impact on confidentiality, integrity and availability, and it can reach beyond the vulnerable system.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
- Not listed
- ~0.4% estimated chance of attack in 30 days
- Before 155.0.8059.79
- 155.0.8059.79
Versions are as the CVE record states them; check the vendor advisory before planning a fix.
- The vulnerability involves a use after free in the Browser component of Google Chrome.
Next steps
- Review the advisory against your asset inventory and patch cadence
Summary
- A vulnerability in Google Chrome prior to 155.0.8059.79 allowed remote code execution outside the sandbox via a crafted HTML page.
- Microsoft Edge (Chromium-based) addresses this vulnerability through Chromium updates.
Read the original reportMicrosoft Security Update Guide RSS(opens in a new tab)
Products and services involved
- Google Chrome93% match confidence · CVE-2026-110149
- Microsoft Edge98% match confidence · CVE-2026-110149
Pulse
Last checked 7d ago · Next recheck 8 Nov 2026, 21:35 UK time · 2 quiet checks collapsed
- Story16 Oct 2026, 16:14 UK time · 16 Oct
Linked reporting from Microsoft Security Update Guide RSS (vendor psirt).
Read source (Microsoft Security Update Guide RSS)
1 entry so far. The timeline chart appears once this story has more history.
Sources
Chromium CVE-2026-110149: Use after free
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Use after free in Browser 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
- ProbableSummary fact75% confidence
Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see [Google Chrome Releases](https://chromereleases.googleblog.com/2026) for more information.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-110149