SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityDeferred

CVE-2026-39776

Editor Remote Code Execution (RCE) in Tabs <= 2.5 versions.

HIGH 8.0EPSS 0.35%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.35%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Editor Remote Code Execution (RCE) in Tabs <= 2.5 versions.

CVSS 3.1
8.0 HIGHCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS
0.35% probability · 28th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-94
Source
audit@patchstack.com
EPSS trend
0%3%5%6 October 2026: 0.38%26 October 2026: 0.35%6 October 202626 October 2026

EPSS moved from 0.4% on 6 October 2026 to 0.3% on 26 October 2026.

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