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:
- Millions of Android Smartphones Vulnerable to Trio of Qualcomm Bugs
August 6, 2019
Security researchers from Tencent’s Blade Team are warning Android smartphone and tablet users of flaws in Qualcomm chipsets, called QualPwn. The bugs collectively allow hackers to compromise Android devices remotely simply by sending malicious packets over-the-air – no user interaction required. Three bugs make up QualPwn (CVE-2019-10539, CVE-2019-10540 and CVE-2019-10538). The prerequisite for the attack is ...
- Microsoft Lab Offers $300K For Working Azure Exploits
August 5, 2019
In an attempt to sniff out bugs in its Azure cloud platform, Microsoft announced at Black Hat USA 2019 on Monday that it will offer rewards of up to $300,000 for researchers who launch successful test exploits for the platform. Microsoft has launched a dedicated Azure cloud host testing environment, dubbed Azure Security Lab. The exclusive program will ...
- New Dragonblood vulnerabilities found in WiFi WPA3 standard
August 3, 2019
Earlier this year in April, two security researchers disclosed details about five vulnerabilities (collectively known as Dragonblood) in the WiFi Alliance’s recently launched WPA3 WiFi security and authentication standard. Yesterday, the same security researchers disclosed two new additional bugs impacting the same standard. The two researchers — Mathy Vanhoef and Eyal Ronen — found these two new bugs in ...
- Cyberattack warning to small plane owners: How your aircraft could be vulnerable
July 30, 2019
The alert from the DHS critical infrastructure computer emergency response team. warns that modern flight systems are vulnerable to hacking if a person manages to gain unrestricted access to an aircraft. The alert also recommends that small plane owners restrict unauthorized physical access to their aircraft the best they can. It warns that access should remain limited until ...
- Critical RCE Flaw in Palo Alto Gateways Hits Uber
July 22, 2019
A remote code-execution (RCE) vulnerability has been uncovered in the GlobalProtect portal and GlobalProtect Gateway interface security products from Palo Alto Networks. It’s an unusual zero-day case, having been previously unknown but inadvertently fixed in later releases — but some large companies could still be impacted, including Uber. The gateways provide virtual private network (VPN) access to ...
- Sodin ransomware exploits Windows vulnerability and processor architecture
July 3, 2019
When Sodin (also known as Sodinokibi and REvil) appeared in the first half of 2019, it immediately caught our attention for distributing itself through an Oracle Weblogic vulnerability and carrying out attacks on MSP providers. In a detailed analysis, we discovered that it also exploits the CVE-2018-8453 vulnerability to elevate privileges in Windows (rare among ransomware), and uses legitimate processor ...