SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-18344

Inappropriate allowance of the setDownloadBehavior devtools protocol feature in Extensions in Google Chrome prior to 71.0.3578.80 allowed a remote attacker with control of an installed extension to access files on the local file system via a crafted…

MEDIUM 6.5EPSS 1.50%

Does this matter?

Lower severity and a low EPSS score (1.50%). Track it; it rarely justifies an emergency change on its own.

Description

Inappropriate allowance of the setDownloadBehavior devtools protocol feature in Extensions in Google Chrome prior to 71.0.3578.80 allowed a remote attacker with control of an installed extension to access files on the local file system via a crafted Chrome Extension.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
EPSS
1.50% probability · 74th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-269
Affected
google/chrome · debian/debian linux · redhat/enterprise linux desktop · redhat/enterprise linux server · redhat/enterprise linux workstation
Source
chrome-cve-admin@google.com
EPSS trend
0%3%5%27 October 2026: 1.50%27 October 202627 October 2026

EPSS 1.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

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