Google · Memory corruption
Out of bounds write in V8 in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to execute arbitrary code inside 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
There is no written leader briefing for this story yet. These questions come from the facts we hold.
Questions to ask IT
- Do we run Google Chrome and Microsoft Edge, and is every instance on version 156.0.8078.79 or later?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 4 Dec?
Next steps
- Confirm whether this affects systems or suppliers in your estate
Vulnerability facts
Full CVE detail CVE-2026-119262- 8.8 · HighExploitable 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.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Not listed
- ~0.3% estimated chance of attack in 30 days
- Before 156.0.8078.79
- 156.0.8078.79
Versions are as the CVE record states them; check the vendor advisory before planning a fix.
No technical write-up beyond these facts and the summary below yet.
Next steps
- Review the advisory against your asset inventory and patch cadence
Summary
- Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
Read the original reportMicrosoft Security Update Guide RSS(opens in a new tab)
Products and services involved
- Google Chrome93% match confidence · CVE-2026-119262
- Microsoft Edge98% match confidence · CVE-2026-119262
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Pulse
Last change 4d ago · Recheck overdue since 5 Nov 2026, 21:06 UK time
- Story4 Nov 2026, 21:06 UK time · 4d ago
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-2026-119262: Improper input validation
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Out of bounds write in V8 in Google Chrome prior to 156.0.8078.79 allowed a remote attacker to execute arbitrary code inside 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-2026-119262