SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2023-23398

Microsoft Excel Spoofing Vulnerability

HIGH 7.1EPSS 0.62%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft Excel Spoofing Vulnerability

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS
0.62% probability · 48th percentile
CISA KEV
Not listed
Weakness
CWE-290
Affected
microsoft/365 apps · microsoft/excel · microsoft/office · microsoft/office long term servicing channel
Source
secure@microsoft.com

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