Incorrect reference resolution in WebAppInstalls in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to execute ar…
At a glance
Low rather than Medium: UK relevance is 40 of 100, little UK-specific signal so far.
Briefing
- Do not treat uncorroborated claims as confirmed breaches.
Questions to ask IT
- Do we run Google Chrome and Microsoft Edge, and which versions?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 2 Dec?
Next steps
- Confirm whether this affects systems or suppliers in your estate
No technical write-up beyond 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-2026-106409
- Microsoft Edge98% match confidence · CVE-2026-106409
Pulse
Last checked 7d ago · Recheck overdue since 3 Nov 2026, 02:07 UK time · 1 quiet check collapsed
- Story16 Oct 2026, 16:15 UK time · 16 Oct
Linked reporting from Microsoft Security Update Guide RSS (vendor psirt).
Read source (Microsoft Security Update Guide RSS) - Signal2 Nov 2026, 02:07 UK time · 7d ago
in the next 30 days first recorded at 0.3% (lower likelihood signal, not confirmed exploitation).
2 entries so far. The timeline chart appears once this story has more history.
Sources
Chromium CVE-2026-106409: Incorrect reference resolution
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Incorrect reference resolution in WebAppInstalls in Google Chrome on on Mac prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to execute ar…
- 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-2026-106409