SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-10886

Use after free in FileSystem in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.

CRITICAL 9.6EPSS 6.16%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.16%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Use after free in FileSystem in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: Critical)

CVSS 3.1
9.6 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
EPSS
6.16% probability · 93th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-416
Affected
google/chrome
Source
chrome-cve-admin@google.com
EPSS trend
0%5%10%24 September 2026: 6.16%26 October 2026: 6.16%24 September 202626 October 2026

EPSS moved from 6.2% on 24 September 2026 to 6.2% on 26 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.