CVE DATABASE / CVE-2019-1297
CVE-2019-1297
Microsoft Excel Remote Code Execution Vulnerability
CVSS 8.8 · HIGH
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-03.
Federal remediation due 2022-03-17.
Required action: Apply updates per vendor instructions.
Summary
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 3.1 breakdown
| Base score | 8.8 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Microsoft excelMicrosoft officeMicrosoft office 365 proplus
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References
- 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
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-29. Always verify against the vendor advisory before acting.