Patch Tuesday


Microsoft is publishing 137 vulnerabilities on May 2026 Patch Tuesday. Microsoft is not aware of exploitation in the wild or public disclosure for any of these vulnerabilities. So far this month, Microsoft has provided patches to address 133 browser vulnerabilities, which are not included in the Patch Tuesday count above.

Windows Netlogon: critical RCE

Anyone responsible for securing a domain controller should prioritize remediation of CVE-2026-41089, which is a critical stack-based buffer overflow in Windows Netlogon with a CVSS v3 base score of 9.8. Exploitation leads to execution in the context of the Netlogon service, so that’s SYSTEM privileges on the domain controller. For most pentesters, that’s the point at which the customer report more or less writes itself. No privileges or user interaction are required, and attack complexity is low, which suggests that creation of a reliable exploit might not be especially difficult for anyone with knowledge of the specific mechanism.

Read more…
Source:  Rapid7


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • Dirty Pipe Privilege Escalation Vulnerability in Linux

    March 10, 2022

    CISA is aware of a privilege escalation vulnerability in Linux kernel versions 5.8 and later known as “Dirty Pipe” (CVE-2022-0847). A local attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review (CVE-2022-0847) and update to Linux kernel versions 5.16.11, 5.15.25, and 5.10.102 or later. Read more… Source: U.S. ...

  • Millions of APC Smart-UPS devices vulnerable to TLStorm

    March 9, 2022

    If you’re managing a smart model from ubiquitous uninterrupted power supply (UPS) device brand APC, you need to apply updates now – a set of three critical zero-day vulnerabilities are making Smart-UPS devices a possible entry point for network infiltration. The vulnerabilities, dubbed “TLStorm” were found in Schneider Electric’s APC Smart-UPS products by security firm Armis, ...

  • Container Escape to Shadow Admin: GKE Autopilot Vulnerabilities

    March 8, 2022

    In February 2021, Google announced Autopilot, a new mode of operation in Google Kubernetes Engine (GKE). With Autopilot, Google provides a “hands-off” Kubernetes experience, managing cluster infrastructure for the customer. The platform automatically provisions and removes nodes based on resource consumption and enforces secure Kubernetes best practices out of the box. In June 2021, Unit 42 ...

  • Microsoft March 2022 Patch Tuesday: 71 vulnerabilities fixed

    March 8, 2022

    Microsoft has released 71 security fixes for software, including 41 patches for Microsoft Windows vulnerabilities, five vulnerabilities in Microsoft Office and two in Microsoft Exchange. Two of the vulnerabilities are rated critical — CVE-2022-22006 and CVE-2022-24501 — while the rest are rated important. In the Redmond giant’s latest round of patches, usually released on the second Tuesday ...

  • Deep dive: Vulnerabilities in ZTE router could lead to complete attacker control of the device

    March 7, 2022

    Cisco Talos’ vulnerability research team disclosed multiple vulnerabilities in the ZTE MF971R wireless hotspot and router in October. Several months removed from that disclosure and ZTE’s patch, researchers decided to take an even closer look at two of these vulnerabilities — CVE-2021-21748 and CVE-2021-21745 — to show how they could be chained together by an ...

  • CISA Adds 95 Known Exploited Vulnerabilities to Catalog

    March 3, 2022

    CISA has added 95 new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. These types of vulnerabilities are a frequent attack vector for malicious cyber actors and pose significant risk to the federal enterprise. Note: to view the newly added vulnerabilities in the catalog, click on the arrow on the ...