SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2017-5026

Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, failed to prevent alerts from being displayed by swapped out frames, which allowed a remote attacker to show alerts on a page they don't control via a crafted HTML page.

MEDIUM 4.3EPSS 1.40%

Does this matter?

Lower severity and a low EPSS score (1.40%). Track it; it rarely justifies an emergency change on its own.

Description

Google Chrome prior to 56.0.2924.76 for Linux, Windows and Mac, failed to prevent alerts from being displayed by swapped out frames, which allowed a remote attacker to show alerts on a page they don't control via a crafted HTML page.

CVSS 3.0
4.3 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS
1.40% probability · 72th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-1021
Affected
google/chrome
Source
chrome-cve-admin@google.com
EPSS trend
0%3%5%27 October 2026: 1.40%27 October 202627 October 2026

EPSS 1.4% 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.