SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-28452

Microsoft Outlook Memory Corruption Vulnerability

HIGH 7.1EPSS 1.29%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.29%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Microsoft Outlook Memory Corruption Vulnerability

CVSS 3.1
7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS
1.29% probability · 69th percentile
CISA KEV
Not listed
Weakness
CWE-787
Affected
microsoft/365 apps · microsoft/office · microsoft/outlook
Source
secure@microsoft.com

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