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:
- Academics steal data from air-gapped systems using PC fan vibrations
April 17, 2020
Academics from an Israeli university have proven the feasibility of using fans installed inside a computer to create controlled vibrations that can be used to steal data from air-gapped systems. The technique, codenamed AiR-ViBeR, is the latest in a long list of wacky data exfiltration techniques devised by Mordechai Guri, the head of R&D at the ...
- Apple Safari Flaws Enable One-Click Webcam Access
April 6, 2020
A security researcher has disclosed vulnerabilities in Apple’s Safari browser that can be used to snoop on iPhones, iPads and Mac computers using their microphones and cameras. To exploit the flaws in a real-world attack, all an attacker would need to do is convince a victim to click one malicious link. Security researcher Ryan Pickren has revealed ...
- DarkHotel hackers use VPN zero-day to breach Chinese government agencies
April 6, 2020
Foreign state-sponsored hackers have launched a massive hacking operation aimed at Chinese government agencies and their employees. Attacks began last month, in March, and are believed to be related to the current coronavirus (COVID-19) outbreak. Chinese security-firm Qihoo 360, which detected the intrusions, said the hackers used a zero-day vulnerability in Sangfor SSL VPN servers, used to provide ...
- Zero-Day Exploitation Increasingly Demonstrates Access to Money, Rather than Skill — Intelligence for Vulnerability Management, Part One
April 6, 2020
FireEye Mandiant Threat Intelligence documented more zero-days exploited in 2019 than any of the previous three years. While not every instance of zero-day exploitation can be attributed to a tracked group, we noted that a wider range of tracked actors appear to have gained access to these capabilities. Furthermore, we noted a significant increase over ...
- Zoom concedes custom encryption is substandard as Citizen Lab pokes holes in it
April 6, 2020
Citizen Lab, a research group within the University of Toronto, has been able to drive a proverbial truck through the encryption used by video conferencing app Zoom. In a report where the group said the video platform was not suitable for sharing secrets nor government or business use, Citizen Lab found Zoom has been rolling its own encryption ...
- Firefox gets fixes for two zero-days exploited in the wild
April 3, 2020
Firefox users are advised to update their browsers to patch two bugs that are being exploited in the real world by hackers. The fixes are available in Firefox 74.0.1, released earlier today. This new Firefox version includes fixes for CVE-2020-6819 and CVE-2020-6820, two bugs that reside in the way Firefox manages its memory space. The bugs are so-called user-after-free vulnerabilities, ...