SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2017-0199

Microsoft Office and WordPad Remote Code Execution Vulnerability

KEVHIGH 7.8EPSS 99.9%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Microsoft Office 2007 SP3, Microsoft Office 2010 SP2, Microsoft Office 2013 SP1, Microsoft Office 2016, Microsoft Windows Vista SP2, Windows Server 2008 SP2, Windows 7 SP1, Windows 8.1 allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office/WordPad Remote Code Execution Vulnerability w/Windows API."

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
99.93% probability · 100th percentile
CISA KEV
Listed 3 November 2021 · due 3 May 2022 · used in ransomware campaigns
Affected
microsoft/office · microsoft/windows 7 · microsoft/windows server 2008 · microsoft/windows server 2012 · microsoft/windows vista · philips/intellispace portal
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2017-0199

References

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