SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2013-3857

Microsoft Word Automation Services in SharePoint Server 2010 SP1 and SP2, Word Web App 2010 SP1 and SP2 in Office Web Apps 2010, Word 2003 SP3, Word 2007 SP3, Word 2010 SP1 and SP2, Office Compatibility Pack SP3, and Word Viewer allow remote attackers…

HIGH 9.3EPSS 21.0%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 21.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window.

Description

Microsoft Word Automation Services in SharePoint Server 2010 SP1 and SP2, Word Web App 2010 SP1 and SP2 in Office Web Apps 2010, Word 2003 SP3, Word 2007 SP3, Word 2010 SP1 and SP2, Office Compatibility Pack SP3, and Word Viewer allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a crafted Office document, aka "Word Memory Corruption Vulnerability."

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
21.03% probability · 98th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-119
Affected
microsoft/sharepoint server · microsoft/office compatibility pack · microsoft/word · microsoft/word viewer · microsoft/office web apps
Source
secure@microsoft.com
EPSS trend
0%13%25%4 November 2026: 21.03%4 November 20264 November 2026

EPSS 21.0% since 4 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.