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Apexward Pulse
Type Vulnerability

Google · Memory corruption

Chromium CVE-2026-126884: Out of bounds read

1 sourceCVE-2026-126884

At a glance

Low
30-day window, from the last update
Possible~0.2% estimated chance of attack in 30 days
Evidence-weighted, not popularity
Signal

~0.2% estimated chance of attack in 30 days. Exploitation not confirmed.

Why Low

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 Microsoft Edge and Google Chrome, and which versions?
  • If it is not yet patched, what mitigation is in place, and will the fix be done by 13 Dec?

Next steps

  1. Confirm whether this affects systems or suppliers in your estate

Summary

  • Microsoft Edge (Chromium-based) ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information.
  • CVE-2026-126884 has an estimated ~0.2% chance of attack in 30 days (14.1th percentile) as of 2026-11-13 — probability signal, not confirmed exploitation

Read the original reportMicrosoft Security Update Guide RSS(opens in a new tab)

Products and services involved

Pulse

Last change 1h ago · Next recheck 14 Nov 2026, 23:11 UK time

  1. Story13 Nov 2026, 23:11 UK time · 1h 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

How we know

Statements extracted from sources. Higher confidence means stronger corroboration.

  • ClaimedHeadline60% confidence

    Chromium CVE-2026-126884: Out of bounds read

  • 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-2026-126884

  • ConfirmedEstimated attack likelihood95% confidence

    CVE-2026-126884 has an estimated ~0.2% chance of attack in 30 days (14.1th percentile) as of 2026-11-13 — probability signal, not confirmed exploitation