cve recordzero dayexploit reported

CVE-2026-117601

CVSS—

Severitynone

Weakness—

EPSS0.18%7.2th 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 reservedOct 27, 2026
CVE publishedOct 27, 2026same day
First KEV listingOct 27, 2026same day
Last sightingOct 27, 2026same 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 Oct 27, 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 exploitationOct 27, 2026github.com/spesmilo/electrum/security/advisories/GHSA-6jp4-8

1 public report collected from VulnCheck and CIRCL, first on Oct 27, 2026. Each links to its original source. We have not verified them.

Description

References

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Our coverage of CVE-2026-117601

CVE-2026-117601Nov 6, 2026high

Spesmilo Electrum Improper Cryptographic Signature Verification Exploited Upon Disclosure

The vulnerability CVE-2026-117601 in Spesmilo Electrum was identified as exploited on the same day it was published, leaving no window for remediation.