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:
- CISA and FBI Release Joint Advisory in Response to Active Exploitation of PaperCut Vulnerability
May 11, 2023
CISA and FBI have released a joint Cybersecurity Advisory (CSA), Malicious Actors Exploit CVE-2023-27350 in PaperCut MF and NG. This joint advisory provides details related to an exploitation of PaperCut MF/NG vulnerability (CVE-2023-27350). FBI observed malicious actors exploit CVE-2023-27350 beginning in mid-April 2023 and continuing through the present. In early May 2023, FBI observed a ...
- Two Microsoft Windows bugs under attack, one in Secure Boot with a manual fix
May 9, 2023
May’s Patch Tuesday brings some good and some bad news, and if you’re a glass-half-full type, you’d lead off with Microsoft’s relatively low number of security fixes: a mere 38. Your humble vulture, however, is a glass-half-empty-and-who-the-hell-drank-my-whiskey kind of bird, so instead of looking on the bright side, we’re looking at the two Microsoft bugs that ...
- CISA Releases Two Industrial Control Systems Advisories
May 9, 2023
CISA released two Industrial Control Systems (ICS) advisories on May 9, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-129-02 Hitachi Energy MSM Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Related story: CISA Adds One Known Exploited Vulnerability to Catalog
- Leaked Private & BootGuard Keys in MSI Cyber Attack Pose Threat to PC Security
May 8, 2023
Following a recent cyber attack on MSI’s systems, hackers managed to obtain private keys and Intel BootGuard Keys, according to a warning from respected security firm Binarly. These keys are essential for maintaining the security of a company’s devices and firmware, and the leak could result in severe security compromises. Binarly’s CEO, Alex Matrosov, disclosed on ...
- Dump these insecure phone adapters because we’re not fixing them, says Cisco
May 5, 2023
There is a critical security flaw in a Cisco phone adapter, and the business technology giant says the only step to take is dumping the hardware and migrating to new kit. In an advisory, Cisco this week warned about the vulnerability in the SPA112 2-Port Adapter that, if exploited, could allow a remote attacker to essentially ...
- CISA Releases One Industrial Control Systems Advisory
May 4, 2023
CISA released one Industrial Control Systems (ICS) advisory on May 4, 2023.This advisory provides timely information about current security issues, vulnerabilities, and exploits surrounding ICS. CISA encourages users and administrators to review the newly released ICS advisory for technical details and mitigations Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Related story: CISA Releases One Industrial Control Systems ...