OfficialCISA Known Exploited Vulnerabilities
Google Chromium CSS Use-After-Free VulnerabilityType Vulnerability
Google · Memory corruption
Google Chromium CSS Use-After-Free Vulnerability
2 sourcesCVE-2026-2441
At a glance
Medium
7-day window, from the last update
ActiveConfirmed in-the-wild exploitation
Evidence-weighted, not popularity
Signal
Actively exploited in the wild — prioritise confirming exposure.
Why Medium
Medium rather than High: exposure is scored at a default because we cannot see your systems or suppliers. If you run or depend on Google Chrome, treat it as High.
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 is every instance on version 145.0.7632.75 or later?
- Is any of it reachable from the internet?
- Have we checked whether it has already been used against us?
- If it is not yet patched, what mitigation is in place, and will the fix be done by 12 Nov?
Next steps
- Confirm exposure and remediation status for affected products
Vulnerability facts
Full CVE detail CVE-2026-2441- 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
- Listed: attacks using it have been seen (on the catalogue since )
- Elevated attack likelihood (~55% in 30 days)
- Before 145.0.7632.75
- 145.0.7632.75
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
- Confirm whether affected products/versions are present and prioritise patching or mitigations
Summary
- Google Chromium CSS contains a use-after-free vulnerability that could allow a remote attacker to potentially exploit heap corruption via a crafted HTML page.
- CVE-2026-2441 has an estimated attack likelihood score of 0.551 (~55.1% estimated chance of exploitation in the next 30 days; 99th percentile) as of 2026-09-24. This is a probability signal from FIRST, not confirmed exploitation.
- CVE-2026-2441 is confirmed as exploited in the wild (US known-exploited catalogue)
- Authoritative catalogues report active exploitation of this vulnerability.
Products and services involved
- Google Chrome93% match confidence · CVE-2026-2441
Same event, different frames
Distinct often headline the same incident differently.
OfficialFIRST EPSS
CVE-2026-2441: elevated exploitation probabilityPulse
Last checked 23m ago · Next recheck 10 Nov 2026, 12:38 UK time
Update
5 Nov 2026, 08:03 UK time · 4d ago
Suggested changed to 7d.
Listed on the — prioritise confirming exposure and patching.
Drag to pan · Ctrl / ⌘ + scroll or pinch to zoom11 events
3 quiet checks hidden.
Sources
Google Chromium CSS Use-After-Free Vulnerability
CVE-2026-2441: elevated exploitation probability
How we know
Statements extracted from sources. Higher confidence means stronger corroboration.
- ClaimedHeadline60% confidence
Google Chromium CSS Use-After-Free Vulnerability
- ProbableSummary fact75% confidence
CVE-2026-2441 has an estimated attack likelihood score of 0.551 (~55.1% estimated chance of exploitation in the next 30 days; 99th percentile) as of 2026-09-24. This is a probability signal from FIRST, not confirmed exploitation.
- ConfirmedCVE identifier95% confidence
Event involves CVE-2026-2441
- ConfirmedKnown-exploited catalogue98% confidence
CVE-2026-2441 is confirmed as exploited in the wild (US known-exploited catalogue)