CISA Warns About Attacks Exploiting 17-Year-Old Microsoft Excel Vulnerability

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has warned about observed attacks exploiting a 17-year-old vulnerability in Microsoft Excel. The agency did not specify the exact CVE identifier or the date when the attacks were detected. Additionally, attacks targeting Microsoft SharePoint were also reported in the same notice. The article does not provide details on the impact, affected versions, or the threat actors involved. No technical specifics about the exploitation methods or mitigation steps were disclosed.