Authorisation Flaw in WebAppInstalls in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to bypass system access restrictions via a crafted HTML p…
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 is every instance on version 155.0.8059.39 or later?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 1 Dec?
Next steps
- Confirm whether this affects systems or suppliers in your estate
Vulnerability facts
Full CVE detail CVE-2026-106324- 6.1 · MediumExploitable over the network without any account, but only if a user takes an action, such as opening a file or link. Low impact on confidentiality and integrity, and it can reach beyond the vulnerable system.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Not listed
- ~0.2% estimated chance of attack in 30 days
- Before 155.0.8059.39
- 155.0.8059.39
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-2026-106324
- Microsoft Edge98% match confidence · CVE-2026-106324
Part of Google Chrome authorisation flaw and Android exploits
Pulse
Last checked 7d ago · Recheck overdue since 2 Nov 2026, 20:45 UK time · 1 quiet check 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) - Signal1 Nov 2026, 20:45 UK time · 7d ago
in the next 30 days first recorded at 0.2% (lower likelihood signal, not confirmed exploitation).
2 entries so far. The timeline chart appears once this story has more history.
Sources
Chromium CVE-2026-106324: Incorrect authorization
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Incorrect authorisation in WebAppInstalls in Google Chrome on on Android prior to 155.0.8059.39 allowed a remote attacker to bypass system access restrictions via a crafted HTML p…
- 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-2026-106324