SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-15391

Insufficient Policy Enforcement in Extensions in Google Chrome prior to 62.0.3202.62 allowed a remote attacker to access Extension pages without authorisation via a crafted HTML page.

MEDIUM 6.5EPSS 1.31%

Does this matter?

Lower severity and a low EPSS score (1.31%). Track it; it rarely justifies an emergency change on its own.

Description

Insufficient Policy Enforcement in Extensions in Google Chrome prior to 62.0.3202.62 allowed a remote attacker to access Extension pages without authorisation via a crafted HTML page.

CVSS 3.0
6.5 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS
1.31% probability · 70th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
google/chrome · debian/debian linux
Source
chrome-cve-admin@google.com
EPSS trend
0%3%5%27 October 2026: 1.31%27 October 202627 October 2026

EPSS 1.3% 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.