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cve recordzero dayexploit reported

CVE-2026-16759

CVSS—
Severitynone
Weakness—
EPSS0.43%36.4th 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

  1. CVE published
  2. First KEV listingsame day
  3. Last sightingsame day

Gaps are compressed to equal steps. The elapsed time is printed under each.

Which catalogues call it exploited

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

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

References

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Our coverage of CVE-2026-16759

CVE-2026-16759high

Themeum Tutor LMS Vulnerability Exploited Same Day as Disclosure

A critical vulnerability in the Themeum Tutor LMS plugin was exploited on the same day its CVE was published, leaving no patch window for users. The flaw is listed in VulnCheck's Known Exploited Vulnerabilities catalogue.