CVE-2026-21509-handler

CVE-2026-21509 Office Kill-Bit Manager PowerShell script to check, apply, and test the Kill-Bit protection for the CVE-2026-21509 Microsoft Office zero-day vulnerability affecting Office 2016/2019/LTSC. What is CVE-2026-21509? Critical RCE vulnerability in Microsoft Office OLE/COM handling CVSS...

CVE-2026-21509

CVE-2026-21509 — Microsoft Office OLE Security-Feature Bypass Research writeup by Sentinel AI Defense. Defensive analysis only — no working exploit or PoC is published here for an actively exploited vulnerability. A security-feature bypass in Microsoft Office that lets a crafted document load COM...

Cisco-IOS-Exploitation-JAGUAR_TOOTH-CVE-2017-6742-Reconstruction

= doi.org/10.5281/zenodo.18283540 = orcid.org/0009-0007-7728-256X README.md root@kitploit: 🐆 JAGUARTOOTH Analysis & Research APT28/Fancy Bear -blue?style=for-the-badge 📑 Overview Analisa komprehensif dan rekonstruksi teknis terhadap malware JAGUARTOOTH, sebuah instrumen spionase siber...

CVE-2015-1701

CVE-2015-1701 Win32k Elevation of Privilege Vulnerability. Original info https://www.fireeye.com/blog/threat-research/2015/04/probableapt28useo.html Protection Apply MS15-051 for fix. https://technet.microsoft.com/library/security/MS15-051 CVE Dictionary Entry: CVE-2015-1701 NVD Published Date:...

CVE-2015-1701

CVE-2015-1701 Vulnerabilidad de Elevación de Privilegios en Win32k. Información original https://www.fireeye.com/blog/threat-research/2015/04/probableapt28useo.html Protección Aplicar MS15-051 para la corrección. https://technet.microsoft.com/library/security/MS15-051 Autores c 2015 Proyecto...

APT28-Linked HOOKEDGE Backdoor Targets European Government and Diplomatic Organizations

Cybersecurity researchers have flagged a fresh set of campaigns targeting government and diplomatic organizations in Romania, Spain, and Türkiye between late September 2025 and early April 2026. These campaigns, per Recorded Future Insikt Group, have led to the deployment of a previously...

A Shortcut to Coercion: Incomplete Patch of APT28's Zero-Day Leads to CVE-2026-32202

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CERT-UA Discovers LAMEHUG Malware Linked to APT28, Using LLM for Phishing Campaign

The Computer Emergency Response Team of Ukraine CERT-UA has disclosed details of a phishing campaign that's designed to deliver a malware codenamed LAMEHUG. "An obvious feature of LAMEHUG is the use of LLM large language model, used to generate commands based on their textual representation...

APT28 Uses Signal Chat to Deploy BEARDSHELL Malware and COVENANT in Ukraine

The Computer Emergency Response Team of Ukraine CERT-UA has warned of a new cyber attack campaign by the Russia-linked APT28 aka UAC-0001 threat actors using Signal chat messages to deliver two previously undocumented malware families dubbedd BEARDSHELL and COVENANT. BEARDSHELL, per CERT-UA, is...

Russian Hackers Exploit Email and VPN Vulnerabilities to Spy on Ukraine Aid Logistics

Russian cyber threat actors have been attributed to a state-sponsored campaign targeting Western logistics entities and technology companies since 2022. The activity has been assessed to be orchestrated by APT28 aka BlueDelta, Fancy Bear, or Forest Blizzard, which is linked to the Russian General...

Russia-Linked APT28 Exploited MDaemon Zero-Day to Hack Government Webmail Servers

A Russia-linked threat actor has been attributed to a cyber espionage operation targeting webmail servers such as Roundcube, Horde, MDaemon, and Zimbra via cross-site scripting XSS vulnerabilities, including a then-zero-day in MDaemon, according to new findings from ESET. The activity, which...

From TV5Monde to Govt: France Blames Russia’s APT28 for Cyberattacks

France accuses Russia's APT28 hacking group Fancy Bear of targeting French government entities in a cyber espionage campaign.…...

UAC-0063 Expands Cyber Attacks to European Embassies Using Stolen Documents

The advanced persistent threat APT group known as UAC-0063 has been observed leveraging legitimate documents obtained by infiltrating one victim to attack another target with the goal of delivering a known malware dubbed HATVIBE. "This research focuses on completing the picture of UAC-0063's...

Russian Spies Jumped From One Network to Another Via Wi-Fi in an Unprecedented Hack

In a first, Russia's APT28 hacking group appears to have remotely breached the Wi-Fi of an espionage target by hijacking a laptop in another building across the street...

APT28 Targets Diplomats with HeadLace Malware via Car Sale Phishing Lure

A Russia-linked threat actor has been linked to a new campaign that employed a car for sale as a phishing lure to deliver a modular Windows backdoor called HeadLace. "The campaign likely targeted diplomats and began as early as March 2024," Palo Alto Networks Unit 42 said in a report published...

Ukrainian Institutions Targeted Using HATVIBE and CHERRYSPY Malware

The Computer Emergency Response Team of Ukraine CERT-UA has alerted of a spear-phishing campaign that targeted a scientific research institution in the country with malware known as HATVIBE and CHERRYSPY. The agency attributed the attack to a threat actor it tracks under the name UAC-0063, which...

Russian Hackers Target Europe with HeadLace Malware and Credential Harvesting

The Russian GRU-backed threat actor APT28 has been attributed as behind a series of campaigns targeting networks across Europe with the HeadLace malware and credential-harvesting web pages. APT28, also known by the names BlueDelta, Fancy Bear, Forest Blizzard, FROZENLAKE, Iron Twilight, ITG05, Pa...

APT28’s Intricate Email Campaign Against Poland

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Kremlin-Backed APT28 Targets Polish Institutions in Large-Scale Malware Campaign

Polish government institutions have been targeted as part of a large-scale malware campaign orchestrated by a Russia-linked nation-state actor called APT28. "The campaign sent emails with content intended to arouse the recipient's interest and persuade him to click on the link," the computer...

Microsoft Outlook Flaw Exploited by Russia's APT28 to Hack Czech, German Entities

Czechia and Germany on Friday revealed that they were the target of a long-term cyber espionage campaign conducted by the Russia-linked nation-state actor known as APT28, drawing condemnation from the European Union E.U., the North Atlantic Treaty Organization NATO, the U.K., and the U.S. The Cze...