Related Threat Clusters
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MuddyWater Targets U.S. Entities Amid Geopolitical Tensions
In early 2026, the Iranian APT group MuddyWater launched cyberattacks against U.S. banking, a major airport, and Israeli operations of a U.S.-based software company. The attacks intensified in March, coinciding with…
16 articles · Updated July 22, 2026 -
Microsoft March 2026 Patch Tuesday Addresses 79 Vulnerabilities, Including Zero-Days
On March 10, 2026, Microsoft released its Patch Tuesday updates, fixing 79 vulnerabilities, including two zero-day flaws. The updates address critical vulnerabilities across various products, with one zero-day actively…
51 articles · Updated March 10, 2026 -
CISA Warns of Exploitation of 17-Year-Old Excel Vulnerability
The US Cybersecurity and Infrastructure Security Agency (CISA) has issued a warning regarding active exploitation of CVE-2009-0238, a critical remote code execution vulnerability in Microsoft Excel, first identified in…
4 articles · Updated April 15, 2026 -
Multiple Vulnerabilities in Microsoft Office Excel (CVE-2026)
Microsoft Office Excel has multiple vulnerabilities that allow unauthorized attackers to execute code locally. These include an out-of-bounds read, use after free, untrusted pointer dereference, heap-based buffer…
14 articles · Updated March 10, 2026 -
Critical RCE Vulnerability in BeyondTrust Software Requires Immediate Patching
BeyondTrust has issued a warning regarding a critical remote code execution (RCE) vulnerability in its Remote Support and Privileged Remote Access software. The flaw, tracked as CVE-2026-1731, allows unauthenticated…
1442 articles · Updated February 9, 2026 -
XWorm RAT Exploits CVE-2018-0802 in Phishing Campaign
A multi-stage phishing campaign has been detected distributing the XWorm remote access trojan (RAT) via malicious Excel attachments. The attack leverages CVE-2018-0802 in Microsoft Equation Editor to execute a fileless…
1 article · Updated February 12, 2026 -
Cyberattacks Target Ukraine and EU via Microsoft Office Vulnerability
CERT-UA has reported a new wave of cyberattacks targeting Ukrainian government agencies and EU organizations, exploiting the Microsoft Office vulnerability CVE-2026-21509. Attackers are using malicious emails disguised…
59 articles · Updated February 2, 2026 -
HSE Offers Compensation to Victims of 2021 Cyberattack
The Health Service Executive (HSE) is providing €750 in compensation to victims of a cyberattack that occurred on May 14, 2021, which compromised the data of thousands of patients and staff. Approximately 620…
8 articles · Updated December 9, 2025 -
Microsoft Addresses Six Actively Exploited Zero-Day Vulnerabilities
On February 10, 2026, Microsoft released a security update addressing 59 vulnerabilities, including six zero-day flaws that were actively exploited prior to the patch. The vulnerabilities affect various Microsoft…
70 articles · Updated February 10, 2026 -
RedKitten Campaign Targets Iranian Protest Monitors with AI Malware
The RedKitten campaign has emerged, utilizing AI-driven malware to target individuals and organizations monitoring human rights violations during the Dey 1404 protests in Iran. Discovered by HarfangLab, the campaign…
4 articles · Updated February 2, 2026
Recent Intelligence Reports
- 002 — attack.mitre.org · July 23, 2026
- Ancient Excel bug comes out of retirement for active attacks — Theregister · April 15, 2026
- Ancient Excel bug comes out of retirement for active attacks — Theregister · April 15, 2026
- Warning of attacks on 17-year-old Excel vulnerability — Heise.De · April 15, 2026
- Microsoft April 2026 Patch Tuesday fixes 167 flaws, 2 zero — Bleepingcomputer · April 14, 2026
- Critical 0-Click Microsoft Excel Security Bug Lets Copilot Steal Data — Forbes · March 11, 2026
- March 2026 Monthly Patch — Csa.Sg · March 11, 2026
- March 2026 Patch Tuesday: Updates and Analysis — Crowdstrike · March 10, 2026