CVSS—
Severitynone
Weakness—
EPSS1.1%63.1th percentile
Exploited1 KEV source
patch window
Called exploited the same day it was disclosed.
Measured from the CVE publication date to the earliest of 1 KEV catalogue that list it.
The life of this vulnerability
- CVE reserved
- CVE publishedsame day
- First KEV listingsame day
- 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 Sep 9, 2026
- CIRCLaggregator, mirrors the abovelisted Sep 9, 2026, not counted
Sources1 of 3
Listings differ by—
Strongest claimconfirmed
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 exploitationblog.netlab.360.com/mirai_ptea-botnet-is-exploiting-undisclo
- reported exploitationcve.circl.lu/cve/CVE-2026-87827
- reported exploitationprevidian.com/CVE-2026-87827
- reported exploitationwww.cve.org/CVERecord?id=CVE-2026-87827
4 public reports collected from VulnCheck and CIRCL, first on Sep 9, 2026. Each links to its original source. We have not verified them.