This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Windows Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-50311.
This vulnerability allows local attackers to escalate privileges on affected installations of Microsoft Hyper-V. An attacker must first obtain the ability to execute low-privileged code within a Windows virtual machine under Hyper-V in order to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.8. The following CVEs are assigned: CVE-2026-54129.
Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last month. Microsoft attributed the burgeoning patch counts to vulnerability discoveries aided by artificial intelligence.
56Critical510Important3Moderate0LowMicrosoft addresses 569 CVEs in the largest Patch Tuesday release yet. This month’s release includes three zero-days, two of which were exploited in the wild.Microsoft patched 569 CVEs in its July 2026 Patch Tuesday release, with 56 rated critical, 510 rated as important, and 3 rated as moderate. This marks the largest Patch Tuesday release ever, crushing the previous record of 198 CVEs in June. Last week, Microsoft announced that its multi-model agentic scann…
ESET researchers discovered 11 vulnerable UEFI shim bootloaders signed by Microsoft that allow attackers to bypass UEFI Secure Boot by exploiting decade-old vulnerabilities
See how a threat actor used SQL injection and BadIIS to gain persistence, disable Windows Defender, and quietly install a cryptominer.
Two Microsoft 365 attacks got through Conditional Access policies that seemed fully configured. Learn what went wrong and how Huntress Managed ISPM catches these gaps first.
Threat actors are now using AI to generate custom PowerShell scripts for Active Directory attacks. Our team analyzed real vibe-coded malware and what it means for defenders.
Written by: Shebin Mathew Introduction The "Golden SAML" technique, first described by CyberArk researchers in 2017, and further detailed by Mandiant researchers in 2021, remains one of the most effective methods for threat actors to forge identity assertions in the Microsoft ecosystem. By obtaining the private key of an ADFS token-signing certificate, an attacker can authenticate as any user to any SAML-federated application, bypassing multifactor authentication (MFA), conditional access, and …
Multiple vulnerabilities in ClamAV could allow a remote attacker to cause a denial of service (DoS) condition, interrupting scanning operations. For more information about these vulnerabilities, see the Details section of this advisory. For additional information on these vulnerabilities in ClamAV, see the ClamAV blog. Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities. Notes: The Security Impact Rating (SIR) for t…
Background Today, in coordination with the FBI, Lumen, and others, Google took action against the NetNut residential proxy network, also known as Popa. This action builds on our disruption of the IPIDEA proxy network that took place in January 2026, and is a continuation of Google’s objective to dismantle malicious residential proxy networks. Actions Taken As a part of this disruption we took the following actions: Disabled Google accounts and associated Google services used by NetNut for malwa…
Ransomware-as-a-Service turned ransomware into a scalable criminal business. Learn how the model works, why it creates so much disruption, and where defenders can shut attacks down before encryption starts.
Huntress is seeing an ongoing password spray attack against Microsoft Azure CLI that originates from an IPv6 address range controlled by LSHIY LLC.
Most Microsoft 365 environments are missing more than half of the recommended security controls, even with tooling in place. Here's why that happens and what Huntress Managed ISPM does about it.
Cybercriminals are hijacking Microsoft 365 accounts in seconds. Learn the 2026 hacker tactics, including ConsentFix, that bypass security training and exploit normal user behavior.
Written by: James Sadowski, Alden Wahlstrom Introduction Four years into Russia’s full-scale invasion of Ukraine, the pro-Russia influence ecosystem has evolved from a tool of war back into a global strategic asset. Since the mobilization of this ecosystem to support frontline objectives, we have witnessed the expedited development of new influence assets linked to multiple, expansive, covert information operations (IO) campaigns and a revitalization of pro-Russia hacktivism at an unprecedented…
Huntress analyzed a credential dumping attack where threat actors disabled Defender, killed monitoring tools, and used Mimikatz to steal credentials.
Written by: Jordan Jones Introduction Google Threat Intelligence Group (GTIG) has conducted an in-depth analysis of a .NET backdoor, tracked as STOCKSTAY, that has been continually developed and deployed by the Russia-linked threat actor Turla (aka SUMMIT, Secret Blizzard, VENOMOUS BEAR, UAC-0194) since at least December 2022. Turla has deployed STOCKSTAY against government and military organizations in Ukraine, as well as entities with an interest in Italian foreign policy. Used for ongoing cy…
Written by: Chester Sng, Pete Boonyakarn, Logeswaran Nadarajan, Lukasz Lamparski Introduction In early 2026, Mandiant identified a threat actor targeting SD-WAN infrastructure at a service provider. After gaining initial access, the threat actor exploited a zero-day vulnerability (CVE-2026-20245) in Cisco Catalyst SD-WAN to escalate privileges from a compromised administrative account to root-level access. The vulnerability stems from the device’s file upload feature lacking the ability to prop…
ldapnomnom claims it leaves no Windows audit logs. This post shows why Event 1644 misses LDAP Ping and where defenders can still catch it.
Se ha descubierto una infraestructura de phishing modular dirigida a múltiples bancos mexicanos, que abusa de GitHub Pages, emplea scripts ofuscados y centraliza la exfiltración de credenciales mediante la API de SheetBest, lo que indica una operación de phishing escalable y persistente de múltiples marcas.
Huntress Managed ISPM finds and closes Microsoft 365 identity gaps before attackers do. Learn why visibility isn't enough and what real identity hardening takes.
A modular phishing infrastructure targeting multiple Mexican banks has been uncovered, abusing GitHub-hosted Pages, employing obfuscated scripts, and featuring a centralized credential exfiltration via SheetBest API, indicating a scalable and persistent multi-brand phishing operation.
ESET researchers have discovered SprySOCKS for Windows, FishMonger’s backdoor weaponizing a kernel driver for advanced stealthiness
Written by: Patrick Whitsell, John McGuiness, Muhammad Umair Google Threat Intelligence Group (GTIG) has identified a sophisticated campaign attributed to UNC6508, a People's Republic of China (PRC)-nexus threat actor, targeting institutions in the North American academic, medical, and military research community. While remaining undetected for over a year, the threat actor compromised externally facing web applications, deployed bespoke malware, pivoted to sensitive internal systems, and abuse…
A phishing kit subverting Microsoft’s legitimate authentication flow lets attackers break into accounts without stealing passwords or creating fake login pages
Huntress traced device code phishing from Tencent Cloud to Kali365, a Microsoft 365 kit that steals tokens and keeps access even after MFA or password resets.
Introduction Mandiant and Google Threat Intelligence Group (GTIG) have identified an active compromise and extortion campaign attributed to UNC6240 (ShinyHunters) targeting Oracle PeopleSoft application infrastructure. The activity was observed between May 27, 2026, and June 9, 2026 and is consistent with the exploitation of CVE-2026-35273, a critical remote code execution vulnerability (CVSS 9.8) in the Environment Management component. The exploitation of this vulnerability directly aligns wi…
This blog provides a deep-dive into SniperDz, a centralised PhaaS platform with more than 80 ready-made phishing templates impersonating over 30 global brands, and uncovers the hidden infrastructure behind this sophisticated and highly-organized fraud ecosystem.
On 12 May 2026, Microsoft published a security advisory addressing a critical vulnerability affecting Windows Server when acting as a domain controller. This vulnerability allows an unauthenticated attacker to execute arbitrary code over a network. According to The Centre for Cybersecurity Belgium (CCB), this vulnerability is currently exploited by threat actors. It is strongly recommended updating affected Windows servers as soon as possible.
