Microsoft’s September 2026 Patch Tuesday addresses 964 CVEs, including 104 rated Critical and 860 rated Important, making it the company’s largest Patch Tuesday release on record.
Microsoft lists 974 CVEs in its full September security release. However, 10 of those affect cloud services or involve fixes that Microsoft applies itself, leaving 964 vulnerabilities that customers need to patch.
The release includes fixes for two actively exploited Windows zero-days. Both are local elevation-of-privilege vulnerabilities that could allow an attacker who already has access to a device to gain SYSTEM privileges. Neither provides remote access by itself, but SYSTEM-level access is valuable to malware operators after they gain an initial foothold through phishing, stolen credentials, or another method.
Read more…
Source: MalwareBytes Labs
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- Busting Ghostcat: An Analysis of the Apache Tomcat Vulnerability (CVE-2020-1938 and CNVD-2020-10487)
March 11, 2020
Discussions surrounding the Ghostcat vulnerability (CVE-2020-1938 and CNVD-2020-10487) found in Apache Tomcat puts it in the spotlight as researchers looked into its security impact, specifically its potential use for remote code execution (RCE). Apache Tomcat is a popular open-source Java servlet container, so the discovery of Ghostcat understandably set off some alarms. This blog entry seeks to put the ...
- Wormable, Unpatched Microsoft Bug Threatens Corporate LANs
March 11, 2020
Microsoft is warning on a wormable, unpatched remote code-execution vulnerability in the Microsoft Server Message Block protocol – the same protocol that was targeted by the infamous WannaCry ransomware in 2017. The critical bug (CVE-2020-0796) affects Windows 10 and Windows Server 2019, and was not included in Microsoft’s Patch Tuesday release this week. The bug can be found in ...
- Modern RAM used for computers, smartphones still vulnerable to Rowhammer attacks
March 11, 2020
According to new research published today, modern RAM cards are still vulnerable to Rowhammer attacks despite extensive mitigations that have been deployed by manufacturers over the past six years. These mitigations, collectively referred to as Target Row Refresh (TRR), are a combination of software and hardware fixes that have been slowly added to the design of ...
- Avast disables JavaScript engine in its antivirus following major bug
March 11, 2020
Czech antivirus maker Avast has taken the extreme step of disabling a major component of its antivirus product after a security researcher found a dangerous vulnerability that put all of the company’s users at risk. The security flaw was found in Avast’s JavaScript engine, an internal component of the Avast antivirus that analyzes JavaScript code for ...
- Critical Bugs in Rockwell, Johnson Controls ICS Gear
March 10, 2020
Security vulnerabilities that require very little skill to exploit have been discovered in industrial control systems (ICS) gear from Rockwell Automation and Johnson Controls, which anchor a flurry of bug disclosures impacting critical infrastructure. First, a set of critical vulnerabilities in Rockwell Automation gear affect MicroLogix 1400 Controllers, MicroLogix 1100 Controllers and RSLogix 500 Software. The ...
- Zoho zero-day published on Twitter
March 6, 2020
A security researcher published yesterday details on Twitter about a zero-day vulnerability in a Zoho enterprise product. Cyber-security experts who have reviewed the vulnerability have told ZDNet that the zero-day could spell trouble for companies around the world, as it could be an entry point for ransomware gangs to infect corporate networks and ransom their data. The vulnerability impacts ...