Vulnerability in Microsoft Excel

CVE-2019-1297

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'.

EPSS: 0.407 (97.4th percentile) — read the EPSS interpretation.

Affected products

  • Microsoft Excel — versions 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 Service Pack 1 (32-bit editions)
  • Microsoft Office — versions 2016 for Mac, 2019 for 32-bit editions, 2019 for 64-bit editions
  • Microsoft Office 365 Proplus — versions 32-bit Systems, 64-bit Systems

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2019-1297?
CVE-2019-1297 is a vulnerability in Microsoft Excel. Published 2019-09-11.
Is CVE-2019-1297 known to be exploited?
Yes. CVE-2019-1297 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.