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May 2026 (30)

critical advisory

NetBox RCE via Jinja2 Template Injection (CVE-2026-29514)

NetBox versions 4.3.5 through 4.5.4 are vulnerable to remote code execution (RCE) via template injection, where authenticated users with specific permissions can inject malicious Python callables into template parameters, bypassing Jinja2 sandboxing to execute arbitrary code.

NetBox rce template-injection cve-2026-29514
2r 1t 1c
high advisory

Memory Corruption Vulnerability in Digital Signal Processor (CVE-2025-47407)

CVE-2025-47407 describes a memory corruption vulnerability affecting the digital signal processor due to allocation failure at the kernel level, potentially leading to arbitrary code execution with elevated privileges on affected systems.

memory-corruption dsp qualcomm cve-2025-47407
2r 1t 1c
high advisory

Qualcomm Driver IOCTL Memory Corruption Vulnerability

A memory corruption vulnerability, CVE-2025-47408, exists in Qualcomm drivers when another driver calls an IOCTL with an invalid input/output buffer, potentially leading to code execution or denial of service.

memory corruption ioctl driver vulnerability cve-2025-47408
2r 1t 1c
critical advisory

WHM, cPanel, and WP Squared Vulnerability Allows Remote Code Execution

A vulnerability exists in WHM, cPanel, and WP Squared, Linux-based web hosting control panels, which could allow for remote code execution by bypassing authentication and gaining administrative access.

cPanel +2 vulnerability rce whm wp squared linux
2r 1t
critical threat

Critical Authentication Bypass Vulnerability in MOVEit Automation (CVE-2026-4670)

A critical authentication bypass vulnerability (CVE-2026-4670) in Progress MOVEit Automation allows an unauthenticated remote attacker to gain administrative access, potentially leading to full control over the application and sensitive file transfer workflows.

exploited MOVEit Automation +3 authentication-bypass privilege-escalation cve-2026-4670 cve-2026-5174 webserver
2r 2t 2c
high advisory

Multi-Stage 'Code of Conduct' Phishing Campaign Leads to AiTM Token Compromise

A widespread phishing campaign utilized 'code of conduct' lures, a multi-step attack chain, and legitimate email services to distribute authenticated messages from attacker-controlled domains, ultimately leading to adversary-in-the-middle (AiTM) token compromise, primarily targeting US-based organizations.

Microsoft Defender for Office 365 phishing credential-theft AiTM token-compromise
2r 2t 2i
low advisory

Potential PowerShell Obfuscated Script via High Entropy

This detection identifies potentially obfuscated PowerShell scripts based on high entropy and non-uniform character distributions, often used by attackers to evade signature-based detections and hinder analysis.

Microsoft Intune Management Extension +2 defense-evasion powershell obfuscation
2r 3t
low advisory

Command Shell Activity Started via RunDLL32

This rule detects command shell activity, such as cmd.exe or powershell.exe, initiated by RunDLL32, a technique commonly abused by attackers to execute malicious code and bypass security controls.

M365 Defender +2 execution command-shell rundll32
2r 4t
medium advisory

Detection of VScode Remote Tunneling for Command and Control

The rule detects the execution of the VScode portable binary with the tunnel command line option, potentially indicating an attempt to establish a remote tunnel session to Github or a remote VScode instance for unauthorized access and command and control.

Microsoft Defender XDR +3 command-and-control vscode remote-access-tools windows
2r 1t
low advisory

Enumerating Domain Trusts via DSQUERY.EXE

Adversaries may use the `dsquery.exe` command-line utility to enumerate trust relationships for lateral movement in Windows multi-domain environments.

Microsoft Defender XDR discovery domain-trust windows
2r 2t
medium advisory

Local Account TokenFilter Policy Modification for Defense Evasion and Lateral Movement

Adversaries may modify the LocalAccountTokenFilterPolicy registry key to bypass User Account Control (UAC) and gain elevated privileges remotely by granting high-integrity tokens to remote connections from local administrators, facilitating lateral movement and defense evasion.

Elastic Defend +3 defense-evasion lateral-movement persistence registry-modification
2r 4t
medium advisory

Potential Account Takeover - Logon from New Source IP

The rule identifies a user account that normally logs in with high volume from one source IP suddenly logging in from a different source IP, potentially indicating account takeover or use of stolen credentials from a new location.

Elastic Security account-takeover credential-access windows
2r 1t
medium advisory

Potential Active Directory Replication Account Backdoor

Attackers can modify Active Directory object security descriptors to grant DCSync rights to unauthorized accounts, creating a backdoor to extract credential data.

Active Directory credential-access persistence active-directory dcsync
2r 2t
medium advisory

Potential Computer Account NTLM Relay Activity

Detection of potential NTLM relay attacks targeting computer accounts by identifying authentication events originating from hosts other than the account's owner, indicating possible credential theft and misuse.

credential-access threat-detection windows
2r 2t
medium advisory

Potential Data Exfiltration via Rclone

Attackers are abusing the legitimate file synchronization tool rclone, often renamed to masquerade as legitimate software, to exfiltrate data to cloud storage or remote endpoints.

Elastic Defend data-exfiltration rclone masquerading
2r 3t
medium advisory

Potential DLL Side-Loading via Trusted Microsoft Programs

This rule detects potential DLL side-loading attempts by identifying instances of Windows trusted programs (WinWord.exe, EXPLORER.EXE, w3wp.exe, DISM.EXE) being started after being renamed or from a non-standard path, which is a common technique to evade defenses by side-loading a malicious DLL into the memory space of a trusted process.

WinWord.exe +4 defense-evasion execution dll-side-loading windows
2r 2t
medium advisory

Potential Evasion via Windows Filtering Platform Blocking Security Software

Adversaries may add malicious Windows Filtering Platform (WFP) rules to prevent endpoint security solutions from sending telemetry data, impairing defenses, which this rule detects by identifying multiple WFP block events where the process name is associated with endpoint security software.

Windows Filtering Platform +2 defense-evasion windows-filtering-platform endpoint-security
2r 2t
medium advisory

Potential NetNTLMv1 Downgrade Attack via Registry Modification

This brief details a registry modification attack that downgrades the system to NTLMv1 authentication, enabling NetNTLMv1 downgrade attacks, typically performed with local administrator privileges on Windows systems.

Microsoft Defender XDR +2 defense-evasion ntlm registry-modification windows
2r 2t
medium advisory

Potential Pass-the-Hash (PtH) Attempt Detection

This rule detects potential Pass-the-Hash (PtH) attempts in Windows environments by monitoring successful authentications with specific user IDs (S-1-5-21-* or S-1-12-1-*) and the `seclogo` logon process, where attackers use stolen password hashes to authenticate and move laterally across systems without needing plaintext passwords.

Windows lateral-movement threat-detection
2r 1t
low advisory

Potential Remote File Execution via MSIEXEC

The rule detects the execution of the built-in Windows Installer, msiexec.exe, to install a remote package potentially abused by adversaries for initial access and defense evasion.

Windows Installer msiexec remote-file-execution initial-access defense-evasion windows
2r 3t
low advisory

Potential Secure File Deletion via SDelete Utility

This rule detects file name patterns generated by the use of Sysinternals SDelete utility, potentially used by attackers to delete forensic indicators and hinder data recovery efforts.

Microsoft Defender XDR +3 defense evasion impact windows
2r 2t
medium advisory

Potential WPAD Spoofing via DNS Record Creation

Detection of a Windows DNS record creation event (5137) with an ObjectDN attribute containing 'DC=wpad', which indicates a potential WPAD spoofing attack to enable privilege escalation and lateral movement.

credential-access wpad-spoofing windows
2r 1t
medium advisory

Potential WSUS Abuse for Lateral Movement via PsExec

Adversaries may exploit Windows Server Update Services (WSUS) to execute PsExec for lateral movement within a network by abusing the trusted update mechanism to run signed binaries.

Windows Server Update Services lateral-movement wsus psexec windows
2r 2t
medium advisory

Remote Desktop File Opened from Suspicious Path

Adversaries may abuse RDP files delivered via phishing from suspicious locations to gain unauthorized access to systems.

M365 Defender +4 initial-access rdp phishing windows
2r 2t
medium advisory

Service DACL Modification via sc.exe

Detection of service DACL modifications via `sc.exe` using the `sdset` command, potentially leading to defense evasion by denying service access to legitimate users or system accounts.

Microsoft Defender XDR +2 defense-evasion persistence windows
2r 2t
medium advisory

SIP Provider Modification for Defense Evasion

This rule detects modifications to the registered Subject Interface Package (SIP) providers, which are used by the Windows cryptographic system to validate file signatures, potentially indicating an attempt to bypass signature validation or inject code for defense evasion.

Microsoft Defender XDR +2 defense-evasion windows registry-modification
2r 1t
medium advisory

Suspicious Execution via Windows Command Debugging Utility

Adversaries can abuse the Windows command line debugging utility cdb.exe to execute commands or shellcode from non-standard paths, evading traditional security measures.

Microsoft Defender XDR +5 lolbas defense-evasion windows
2r 2t
medium advisory

Suspicious Windows PowerShell Arguments Detected

This rule identifies the execution of PowerShell with suspicious argument values, often observed during malware installation, by detecting unusual PowerShell arguments indicative of abuse, focusing on patterns like encoded commands, suspicious downloads, and obfuscation techniques.

Elastic Defend +5 powershell malware execution
3r 4t
medium advisory

Suspicious Zoom Child Process Execution

A suspicious Zoom child process was detected, indicating a potential attempt to run unnoticed by masquerading as Zoom.exe or exploiting a vulnerability, resulting in the execution of cmd.exe, powershell.exe, pwsh.exe, or powershell_ise.exe.

Microsoft Defender XDR +1 defense-evasion execution windows
2r 6t
medium advisory

Windows Port Forwarding Rule Addition via Registry Modification

An adversary may abuse port forwarding to bypass network segmentation restrictions by creating a new port forwarding rule through modification of the Windows registry.

Elastic Defend +3 port-forwarding registry-modification command-and-control defense-evasion windows
2r 3t