sign in--:--:--UTC

CVE-2026-45498

exploited in the wild

CVSS

4.0

Reports

12

First seen

May 20

Last seen

Jun 17

Affected product

Microsoft Defender

Associated actors

RondoDox ×2 Eagle Werewolf ×1 Fox Tempest ×1 Nimbus Manticore ×1 Phorpiex ×1 Qilin ×1 Safepay ×1 ShinyHunters ×1 Silver Fox ×1 TeamPCP ×1 Akira ×1 UNG0002 ×1

Recent reports

Microsoft Confirms RoguePlanet Defender Zero-Day, Patch in Development

The Hacker NewsJun 17 High

Microsoft Defender RoguePlanet Zero-Day Grants SYSTEM Access on Updated Windows

The Hacker NewsJun 10 Critical

Critical Windows Netlogon RCE Flaw Actively Exploited in Attacks

Bleeping ComputerJun 1 High

Microsoft Condemns Uncoordinated Zero-Day Disclosures; Researcher's GitHub Account Removed

The Hacker NewsMay 28 High

Check Point Threat Intelligence Report – 25 May 2026

Check Point ResearchMay 25 Critical

Weekly Recap: Linux Flaws, Defender 0-Days, Router Botnets, and Supply Chain Chaos

The Hacker NewsMay 25 High

Microsoft Warns of Two Actively Exploited Defender Vulnerabilities

The Hacker NewsMay 21 High

Microsoft Defender zero-day vulnerabilities exploited in active attacks

Bleeping ComputerMay 21 High

Microsoft Defender Multiple Vulnerabilities

HKCERTMay 21 Critical

Microsoft Security Advisory AV26-489: Critical Vulnerabilities in Azure, Bitlocker, and Defender

Canadian Centre AlertsMay 20 High

CISA Adds Seven Known Exploited Vulnerabilities to Catalog

CISA AdvisoriesMay 20 Critical

Multiple Vulnerabilities in Microsoft Products (A26-05-33)

GovCERT.HKMay 20

This page shows data on a 7-day delay. Free accounts get the full delayed feed; real-time reports, indicators, and the API start at $29/mo.

Sign up See plans