Type Vulnerability
M-156, ChromeOS version 16836.19.0 (Browser version 156.0.8078.42) has rolled out to ChromeOS devices on the Stable channel.
Uninitialized resource in Media in Google Chrome prior to 155.0.8059.39 allowed a remote attacker to obtain cross-origin data via a crafted HTML page
CVE-2026-106393
What this means
This is rated high severity (8.3 out of 10). There is no confirmed exploitation of it yet. Ask IT whether Google Chrome is in your estate, and treat that as the priority.
Full vendor description
Use after free in Storage in Google Chrome prior to 155.0.8059.39 allowed a remote attacker who had compromised the renderer process to execute arbitrary code outside the sandbox via a crafted HTML page. (Chromium security severity: High)
Scoring and exploitation
8.3/ 10
CVSS 3.1 base scoreHigh
Exploitable over the network without any account, under specific conditions, but only if a user takes an action, such as opening a file or link. High impact on confidentiality, integrity and availability, and it can reach beyond the vulnerable system.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityHighAC:H
Privileges requiredNonePR:N
User interactionRequiredUI:R
ScopeChangedS:C
Impact
Longer bar: more harm
ConfidentialityHighC:H
IntegrityHighI:H
AvailabilityHighA:H
- ~0.3% estimated chance of attack in 30 daysModel estimate (): a probability signal, not confirmed exploitation
- Exploited in the wild
- Not confirmed in the
- Not reported
Weaknesses
CWE-416
Affected products ()
- Google Chrome
Show the raw CPE strings (1)
- cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
References
2 links from the CVE record, grouped by site; the vendor's advisory comes first.
chromereleases.googleblog.com1 linkVendor advisory
- stable-channel-update-for-desktop_086471744.html (opens in a new tab)Release Notes · Vendor Advisory
issues.chromium.org1 link
- 559793873 (opens in a new tab)Permissions Required
Related feed events
- Type Vulnerability
A vulnerability in Google Chrome's Storage component allowed remote code execution outside the sandbox if the renderer process was compromised.