Microsoft · Excel
CVE-2019-1297
Microsoft Excel Remote Code Execution Vulnerability
Exploited in attacks
High 8.8 Attack chance: 22%
What it is
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'.
CISA: A remote code execution vulnerability exists in Microsoft Excel when the software fails to properly handle objects in memory.
What to do
Apply updates per vendor instructions.
Deadline for US federal agencies: March 17, 2022
More exploited flaws from Microsoft
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Mar 3, 2022 | Featheader Record Memory Corruption | Excel | High 7.8 | 84% |
| Mar 3, 2022 | Office Security Feature Bypass | Excel | High 7.8 | 58% |
| Oct 13, 2026 | Command Injection | Windows | High 8.8 | 9.8% |
| Sep 25, 2026 | Code Injection | SharePoint | High 8.8 | 8.2% |
| Sep 8, 2026 | Link Following | Windows | High 7.8 | 0.4% |
| Sep 8, 2026 | Heap-Based Buffer Overflow | Windows | High 7.8 | 0.4% |
| Aug 26, 2026 | Remote Code Execution | SQL Server | High 8.8 | 57% |
| Aug 18, 2026 | Double Free | Internet Key Exchange (IKE) Service Extensions | Critical 9.8 | 77% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.