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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2019-1297

Microsoft Excel Remote Code Execution Vulnerability

KEVHIGH 8.8EPSS 21.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 March 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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'.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
21.80% probability · 97th percentile
CISA KEV
Listed 3 March 2022 · due 17 March 2022
Affected
microsoft/excel · microsoft/office · microsoft/office 365 proplus
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2019-1297

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.