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CVE-2019-1297 Microsoft CVE debrief

CVE-2019-1297 is a Microsoft Excel remote code execution vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. The supplied timeline shows it was added to KEV on 2022-03-03 with a remediation due date of 2022-03-17. Because CISA flags it as known exploited, defenders should treat it as a high-priority patching item and apply vendor updates per Microsoft’s instructions.

Vendor
Microsoft
Product
Excel
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-03
Original CVE updated
2022-03-03
Advisory published
2022-03-03
Advisory updated
2022-03-03

Who should care

Security operations, endpoint management, patch management, and IT administrators responsible for Microsoft Excel deployments should prioritize this CVE. Organizations that allow users to open Excel files or otherwise rely on Excel on managed endpoints should verify remediation quickly, especially if they track CISA KEV deadlines.

Technical summary

The available official sources identify this issue as a remote code execution vulnerability in Microsoft Excel. CISA’s KEV entry confirms it is known to be exploited in the wild, but the supplied corpus does not provide deeper technical details such as the affected code path, versions, or triggering conditions. Use the official CVE and NVD records for reference and Microsoft’s update guidance for remediation.

Defensive priority

High. CISA’s KEV listing indicates known exploitation, and the supplied due date of 2022-03-17 signals an urgent remediation target. Patch or mitigate on priority for all exposed Microsoft Excel installations.

Recommended defensive actions

  • Apply updates per vendor instructions as directed by CISA and Microsoft.
  • Inventory endpoints and servers with Microsoft Excel installed so remediation coverage can be verified.
  • Prioritize patch deployment for user workstations and any systems that process untrusted Excel content.
  • Confirm remediation status before and after the KEV due date in your vulnerability management workflow.
  • Use the official CVE and NVD records to correlate internal asset findings with this advisory.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and the official links provided in the corpus. CISA’s entry names the vulnerability as a Microsoft Excel remote code execution issue, marks it as known exploited, and lists the date added and due date. No exploit details, affected-version claims, or additional technical conditions are included because they are not present in the supplied source corpus.

Official resources

Publicly documented vulnerability referenced by official CVE, NVD, and CISA KEV sources. Exploit details are intentionally omitted; only defensive, source-backed information is included.