CVSS9.8
Severitycritical
WeaknessCWE-266
EPSS0.45%37.6th percentile
Exploited1 KEV source
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
patch window
Called exploited 1 day after disclosure.
Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.
The life of this vulnerability
- CVE published
- First KEV listing1d
- Last sightingsame day
Gaps are compressed to equal steps. The elapsed time is printed under each.
Which catalogues call it exploited
- CISA KEVUS federaldoes not list it
- EUVDENISA, European Uniondoes not list it
- VulnCheck KEVcommercial researchlisted Aug 28, 2026
- CIRCLaggregator, mirrors the abovedoes not list it
Sources1 of 3
Listings differ by—
This rests on a single catalogue. No second catalogue corroborates the claim that it is being exploited. CIRCL is an aggregator and is not counted.
Public exploitation evidence
- reported exploitationx.com/DefusedCyber/status/2093454829599273124
1 public report collected from VulnCheck and CIRCL, first on Aug 28, 2026. Each links to its original source. We have not verified them.
Description
Unauthenticated Privilege Escalation in ACPT (Pro) - Custom Post Types Plugin for WordPress <= 2.0.63 versions.