SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2014-6356

Array index error in Microsoft Word 2007 SP3, Word 2010 SP2, and Office Compatibility Pack SP3 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Invalid Index Remote Code Execution Vulnerability."

HIGH 9.3EPSS 11.9%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 11.9%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.

Description

Array index error in Microsoft Word 2007 SP3, Word 2010 SP2, and Office Compatibility Pack SP3 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Invalid Index Remote Code Execution Vulnerability."

CVSS 2.0
9.3 HIGHAV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS
11.87% probability · 96th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-94
Affected
microsoft/office compatibility pack · microsoft/word
Source
secure@microsoft.com
EPSS trend
0%8%15%4 November 2026: 11.87%4 November 20264 November 2026

EPSS 11.9% 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.