CVE-2026-45659

CVE

Threat entity extracted from intelligence sources

Frequency

occurrences

First Seen

July 2, 2026

Last Seen

November 10, 2026

API

Exploited in Wild

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Ransomware Use

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Public Exploits

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Attack Vector

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Vulnerability Overview

Exploitation Activity

Exploitation Intelligence

Critical RCE Vulnerability in Windows IKE Actively Exploited80.9

A critical remote code execution vulnerability in Microsoft Windows Internet Key Exchange (IKE), tracked as CVE-2026-33824, is being actively exploited. This double-free memory corruption issue affects all supported versions of Windows 10, Windows 11, and Windows Server. Attackers can exploit the vu...

Warlock Ransomware Targets Critical Infrastructure in Spanish and Portuguese Regions78.7

The Warlock ransomware group, tracked as Longlegs or Storm-2603, has targeted critical infrastructure in Portuguese- and Spanish-speaking countries, including a water utility, a telecommunications provider, a regional government body, and an university. Recent attacks exploited vulnerabilities in Mi...

Active Exploitation of Microsoft SharePoint Flaw CVE-2026-45659 Confirmed72.9

The US Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2026-45659, a remote code execution vulnerability in Microsoft SharePoint, to its Known Exploited Vulnerabilities catalog due to active exploitation. This flaw, stemming from an untrusted data deserialization issue, affects...

Ransomware Exploits Critical SharePoint Vulnerability CVE-2026-4565972.8

CISA has confirmed that ransomware groups are actively exploiting a critical vulnerability (CVE-2026-45659) in Microsoft SharePoint Server, which allows remote code execution. Over 200 unpatched SharePoint servers are currently exposed on the internet, primarily in the USA and Europe. The vulnerabil...