
Alexander Leonov
@leonov_av
Followers
1K
Following
472
Media
745
Statuses
2K
Vulnerability assessment, *nix security, compliance management, security automation
Joined September 2011
Statistics on 2024 trending vulnerabilities were featured in the OIC-CERT annual report. 🎉 I’m glad my work contributed to promoting #PTESC and #PositiveTechnologies among national CERTs and key decision-makers! 😉 #TrendVulns #OIC #OICCERT.➡️
0
0
0
August #Microsoft Patch Tuesday. A total of 132 vulnerabilities, 20 fewer than in July. Three are actively exploited, including two related to the trending #SharePoint "ToolShell" flaw, exploited since July 17. #Vulristics #PatchTuesday #Windows.➡️
0
0
0
July "In the Trend of VM" (# 18): vulnerabilities in Microsoft Windows and SharePoint. Two vulnerabilities this month. #TrendVulns #PositiveTechnologies #Microsoft #Windows #SharePoint #EyeSecurity #ToolShell #wuauserv #StorageSense.➡️
0
0
1
About the Elevation of Privilege in Windows Update Service (CVE-2025-48799) from July’s Microsoft Patch Tuesday. Researcher @filip_dragovic (Wh04m1001) published an exploit on July 8, the same day as the MSPT. #Microsoft #Windows #wuauserv #StorageSense.➡️
0
0
0
🆕 #Qualys has introduced #AgenticAI. Cyber Risk Agents not only detect issues and provide analytics, but also autonomously identify critical risks, prioritize them, and launch targeted remediation workflows. ➡️
0
0
0
🚨 CVE-2025-53770 ("ToolShell") - a critical RCE flaw in Microsoft SharePoint - is being actively exploited; public PoC released July 21. Patch immediately. #Microsoft #SharePoint #ToolShell #EyeSecurity .➡️
0
0
0
July "In the Trend of VM" (# 17): vulnerabilities in Microsoft Windows and Roundcube. A traditional monthly roundup. This time, only three trending vulnerabilities. 🙂 #TrendVulns #PositiveTechnologies #URLfile #SMB #Microsoft #Windows #Roundcube .➡️
0
0
0
🚨 CVE-2025-33053: RCE via .url files exploited in the wild since March by Stealth Falcon; Check Point dropped details on Patch Tuesday; exploits released on GitHub. #URLfile #CheckPoint #Microsoft #Windows #StealthFalcon #WebDAV.➡️
0
0
0
RCE in Roundcube (CVE-2025-49113): 10 years in the code, public exploit since June 5, real attacks confirmed. Patch now! #Roundcube #FearsOff.➡️
0
1
1
July Microsoft Patch Tuesday: 152 vulnerabilities — double June's count, including 15 added between the June and July MSPT. One exploited in the wild; one with a GitHub exploit. #Vulristics #PatchTuesday #Microsoft #Windows.➡️
0
0
0
CVE-2025-33073: Win SMB Client EoP vuln (SYSTEM via connection to malicious SMB server) - patch now, enforce SMB signing, public exploits out, not yet seen in the wild. #Microsoft #Windows #SMB #NTLMreflection #Kerberos #Synacktiv #RedTeamPentesting.➡️
0
0
0
June Linux Patch Wednesday: 598 vulnerabilities, including 355 in the Linux Kernel. Exploited in the wild: 3 (CISA KEV). Public exploits available for 40 (❗️) vulnerabilities. #LinuxPatchWednesday #Vulristics #Linux #Roundcube #libblockdev #Chromium.➡️
0
0
0
I added support for ALT Linux OVAL content in Linux Patch Wednesday. Now I track when specific CVEs were fixed in ALT Linux packages and take that into account when generating the monthly bulletins. #ALTLinux #LinuxPatchWednesday #OVAL.➡️
0
0
0
June Microsoft Patch Tuesday. A total of 81 vulnerabilities. Among them, 15 vulnerabilities were added between the May and June MSPT. There are 3 vulnerabilities with signs of exploitation in the wild. #Vulristics #PatchTuesday #Microsoft #Windows.➡️
0
0
0
About Elevation of Privilege - Microsoft DWM Core Library (CVE-2025-30400) vulnerability. There is currently one GitHub repository with a PoC, but its functionality is highly questionable. 🤔 #DWM #Microsoft #Windows .➡️
0
0
0
About Elevation of Privilege - Windows CLFS Driver (CVE-2025-32701, CVE-2025-32706) vulnerabilities. No public exploits or exploitation details yet. 🤷♂️ But these vulns are likely being used in ransomware attacks. #Microsoft #Windows #CLFS.➡️
0
0
0
Vulnerabilities of Western logistics. Patches, exploits, and signs of in-the-wild exploitation have been available for years for these vulnerabilities. 🤦♂️🤷♂️ #FiveEyes #Outlook #Cybercube #WinRAR .➡️
0
0
0