Microsoft patches actively exploited Exchange Server zero-day vulnerability
post-secondarygovernmenthealthcarefinancegeneral
Microsoft released a security patch for an Exchange Server vulnerability being actively exploited in the wild. The flaw enables attackers to execute arbitrary JavaScript code through cross-site scripting attacks against Outlook Web Access users. This represents an immediate threat to organizations relying on Exchange Server infrastructure.
Why it matters in Western Canada: Many Western Canadian post-secondary institutions, government agencies, and healthcare organizations operate Exchange Server and Outlook Web Access for email and collaboration. Active exploitation increases risk to these sectors across the region.
Summary generated from the original advisory. Read the full source: bleepingcomputer
- Source
- https://www.bleepingcomputer.com/news/microsoft/microsoft-patches-exchange-server-zero-day-exploited-in-attacks/
- CVEs
- None listed
- Tags
- exchange-server, xss, outlook-web-access, zero-day, patch
- Provenance
- mask2-ti-pipeline (AI-assisted, human-reviewable)