Alexander V. Leonov

About Remote Code Execution – Microsoft Configuration Manager (CVE-2024-43468) vulnerability. This vulnerability is from the October 2024 MSPT. Microsoft Configuration Manager (ConfigMgr) is used to manage large groups of computers, providing remote control, patch management, software distribution, operating system deployment, etc. According to Microsoft, the vulnerability allowed an unauthenticated attacker to execute commands at the […]

About Remote Code Execution – 7-Zip (CVE-2025-0411) vulnerability. 7-Zip is a popular, free, open-source archiver widely used by organizations as a standard tool for managing archives. The vulnerability is a bypass of the Mark-of-the-Web mechanism. 🔹 If you download and run a suspicious executable file on Windows, Microsoft Defender’s SmartScreen will block it from executing […]

About Authentication Bypass – FortiOS (CVE-2024-55591) vulnerability. A critical flaw allows remote attackers to gain super-admin privileges via crafted requests to the Node.js websocket module. Affected systems include Fortinet devices running FortiOS (e.g., FortiGate NGFW) and FortiProxy. 🔹 On January 10, Arctic Wolf reported attacks on Fortinet devices that began in November 2024. Attackers create […]

About Remote Code Execution – Windows OLE (CVE-2025-21298) vulnerability. The vulnerability is from the January Microsoft Patch Tuesday. OLE (Object Linking and Embedding) is a technology for linking and embedding objects into other documents and objects, developed by Microsoft. A common use of this technology is embedding an Excel table in a Word document. What […]

I have finalized the list of trending vulnerabilities for 2024 according to Positive Technologies. Last year, 74 vulnerabilities were classified as trending (to compare the scale, just over 40,000 were added to NVD in 2024). All trending vulnerabilities are found in Western commercial products and open source projects. This year, the vulnerabilities of domestic Russian […]

January Linux Patch Wednesday. Out of 424 total vulnerabilities, 271 are in the Linux Kernel. None show signs of exploitation in the wild, but 9 have public exploits. 🔸 RCE – Apache Tomcat (CVE-2024-56337). Based on the description, the vulnerability affects “case-insensitive file systems” like Windows or MacOS. However, Debian lists it as affecting tomcat9 […]

The Elevation of Privilege – Windows Common Log File System Driver (CVE-2024-49138) has become more critical. Just as I wrote that nothing had been heard about this vulnerability for a month since it was first published in Microsoft’s December Patch Tuesday, a public exploit for it appeared on January 15th. 🙂 It was developed by […]

What has become known about the Elevation of Privilege – Windows Common Log File System Driver (CVE-2024-49138) vulnerability from the December Microsoft Patch Tuesday a month later? Almost nothing. 🙄 This is a vulnerability in a standard Windows component, available in all versions starting with Windows Server 2003 R2. Its description is typical for EoP […]

January Microsoft Patch Tuesday. 170 CVEs, 10 of them were added since December MSPT. 3 exploited in the wild: 🔻 EoP – Windows Hyper-V NT Kernel Integration VSP (CVE-2025-21333, CVE-2025-21334, CVE-2025-21335). No details yet. No vulnerabilities have public exploits. 5 have private ones: 🔸 Security Feature Bypass – Microsoft Update Catalog (CVE-2024-49147), MapUrlToZone (CVE-2025-21268, CVE-2025-21189)🔸 […]

About Elevation of Privilege – Windows Kernel Streaming WOW Thunk Service Driver (CVE-2024-38144) vulnerability. The vulnerability is from the August Microsoft Patch Tuesday. It wasn’t highlighted in reviews; all we knew was that a local attacker could gain SYSTEM privileges. Three and a half months later, on November 27, SSD Secure Disclosure released a write-up […]