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:
- CISCO says it won’t patch 74 security bugs in older RV routers that reached EOL
January 14, 2021
Networking equipment vendor Cisco said yesterday it was not going to release firmware updates to fix 74 vulnerabilities that had been reported in its line of RV routers, which had reached end-of-life (EOL). Affected devices include Cisco Small Business RV110W, RV130, RV130W, and RV215W systems, which can be used as both routers, firewalls, and VPNs. All four ...
- Sophisticated Hacks Against Android, Windows Reveal Zero-Day Trove
January 13, 2021
Google researchers have detailed a major hacking campaign that was detected in early 2020, which mounted a series of sophisticated attacks, some using zero-day flaws, against Windows and Android platforms. Working together, researchers from Google Project Zero and the Google Threat Analysis Group (TAG) uncovered the attacks, which were “performed by a highly sophisticated actor,” Ryan ...
- Critical Microsoft Defender Bug Actively Exploited; Patch Tuesday Offers 83 Fixes
January 12, 2021
Microsoft addressed 10 critical bugs, one under active exploit and another publicly known, in its January Patch Tuesday roundup of fixes. In total it patched 83 vulnerabilities. The most serious bug is a flaw in Microsoft’s Defender anti-malware software that allows remote attackers to infect targeted systems with executable code. Security experts are warning that Windows ...
- macOS malware used run-only AppleScripts to avoid detection for five years
January 12, 2021
For more than five years, macOS users have been the targets of a sneaky malware operation that used a clever trick to avoid detection and hijacked the hardware resources of infected users to mine cryptocurrency behind their backs. Named OSAMiner, the malware has been distributed in the wild since at least 2015 disguised in pirated (cracked) ...
- Investigation launched into vulnerabilities found within US Judiciary case file system
January 8, 2021
The United States Judiciary has announced an audit into its systems, following concerns its case file system has been compromised. In making the announcement, the Judiciary said the Administrative Office of the US Courts was working with the Department of Homeland Security on a security audit relating to vulnerabilities in the Judiciary’s Case Management/Electronic Case Files ...
- Nvidia releases security update for high-severity graphics driver vulnerabilities
January 8, 2021
Nvidia has released a round of security fixes tackling high-severity issues in the Nvidia GPU display driver and vGPU software. Released on Thursday, the technology giant said the patches deal with issues that “may lead to denial of service, escalation of privileges, data tampering, or information disclosure.” In total, Nvidia has resolved 16 vulnerabilities linked to the ...