Vulnerability record

CVE-2019-1297

Microsoft Excel Remote Code Execution Vulnerability

Severity: HighExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Excel, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Mar 17, 2022.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

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'.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsSource
ExcelMicrosoft2010; 2013; 2016KEV
OfficeMicrosoft2016; 2019NVD

Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2019-1297 scored CVSS 8.8: Microsoft Excel, Microsoft Excel Remote Code Execution Vulnerability

    CISA lists this as exploited in the wild. Unpatched Excel systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2019-1297: Microsoft Excel, Microsoft Excel Remote Code Execution Vulnerability

    An official fix is now available for Microsoft Excel. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

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