SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2014-1761

Microsoft Word Memory Corruption Vulnerability

KEVHIGH 7.8EPSS 77.5%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 August 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Microsoft Word 2003 SP3, 2007 SP3, 2010 SP1 and SP2, 2013, and 2013 RT; Word Viewer; Office Compatibility Pack SP3; Office for Mac 2011; Word Automation Services on SharePoint Server 2010 SP1 and SP2 and 2013; Office Web Apps 2010 SP1 and SP2; and Office Web Apps Server 2013 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted RTF data, as exploited in the wild in March 2014.

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
77.46% probability · 100th percentile
CISA KEV
Listed 15 February 2022 · due 15 August 2022
Weakness
CWE-787
Affected
microsoft/office · microsoft/office compatibility pack · microsoft/office web apps · microsoft/office web apps server · microsoft/sharepoint server · microsoft/word · microsoft/word viewer
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2014-1761

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