CVE-2019-1297

CVE-2019-1297 is a high-severity (CVSS 8.8) vulnerability in Microsoft Excel. CISA added it to the Known Exploited Vulnerabilities catalog on March 3, 2022, which means exploitation in the wild has been confirmed; US federal agencies had to remediate it by March 17, 2022. CISA does not currently list it as used in ransomware campaigns. Microsoft has 390 vulnerabilities in the KEV catalog, 117 of them linked to ransomware.

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka 'Microsoft Excel Remote Code Execution Vulnerability'.

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1297
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1297
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-1297