The researcher says the flaw lets a local user reach System by making Windows Defender create a signature file at a path they choose. Microsoft hasn't commented, and there's no sign of exploitation in the wild.
Layer3 Intel says six addresses on the Executive Office of the President's network were used by 28 residential proxy services between October 5 and November 3.
Microsoft has documented fixes for a Windows issue that could prevent enabling Smart App Control, with different guidance for affected Windows versions.
Cisco Talos describes a Windows infostealer that adds model-driven analysis to stolen credentials, sessions and other information collected from a victim.
CrowdStrike attributes a campaign across 14 countries to a China-nexus group that ran an open-source multi-agent penetration-testing framework, with at least nine organisations compromised.
Ivanti updated its advisory on October 29 to add a privilege escalation bug and a file upload bug, both now fixed and both in CISA's KEV list. Volexity says the chain was used against an appliance from October 3.
Google promoted Chrome 156 to the stable channel with patches for 353 vulnerabilities, including six rated critical, and said none were known to be exploited in the wild.
Elastic reported that a fake Web3 accelerator used malicious npm packages, pitched with free AI credits and security audits, to deliver information stealers and backdoors to Windows and macOS machines.
The ICS advisory describes a CSV injection bug, an authentication weakness and a privilege escalation path in the SCADA product used in the energy sector, with version 10.8 named as the vendor fix.