CVE-2012-2539

HIGH
7.8
CVSS Score
Published: December 12, 2012 at 12:00 AM UTC
Updated: June 16, 2026 at 11:41 PM UTC
5 products affected across 1 vendorSharePoint ServerWordOffice Compatibility Pack

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Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 53%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score53.0%

EPSS (Exploit Prediction Scoring System) estimates a 53.0% chance this CVE is exploited in the wild within the next 30 days — higher than 99% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

Microsoft Word allows attackers to execute remote code or cause a denial-of-service (DoS) via crafted RTF data.

Required Action
Apply updates per vendor instructions.
Ransomware Use
Unknown
Added to KEV
Mar 28, 2022
Remediation Due
Apr 18, 2022
1653 days overdue

Description

Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; and Office Web Apps 2010 SP1 allow remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted RTF data, aka "Word RTF 'listoverridecount' Remote Code Execution Vulnerability."

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCActiveNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787

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