Microsoft Threat Intelligence has detected cyber threats distributing malware through the ms-appinstaller URI scheme (App Installer) since mid-November 2023. These threat actors, including Storm-0569, Storm-1113, Sangria Tempest, and Storm-1674, used the scheme to bypass malware protection measures due to its current implementation issues. In response, Microsoft has disabled the ms-appinstaller protocol handler by default.

CISA Adds Actively Exploited XSS Bug CVE-2021-26829 in OpenPLC ScadaBR to KEV
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has updated its Known Exploited Vulnerabilities (KEV) catalog to include a security flaw impacting OpenPLC ScadaBR, citing


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