What is the CVSS score of CVE-2012-2528?

CVE-2012-2528 has a CVSS 2.0 base score of 9.3 (Critical). CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. EPSS exploitation probability: 56.9%.

Word CVE-2012-2528

CRITICAL

Resource Management Errors (CWE-399)

2012-10-09 secure@microsoft.com

RCE Microsoft Word Office Compatibility Pack Word Viewer Office Web Apps Word Automation Services

9.3

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-399
Impact	CVSS score of 9.3 (CRITICAL). Attack characteristics: network attack vector, M complexity. EPSS exploitation probability: 56.85%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Emergency Immediate action required. Why: CRITICAL + EPSS > 30%, no patch available.

No patch listed yet 56.9% exploitation probability (EPSS)

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AnalysisAI

Use-after-free vulnerability in Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; Word Automation Services on Microsoft SharePoint Server. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 56.9% and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-399. Use-after-free vulnerability in Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; Word Automation Services on Microsoft SharePoint Server 2010; and Office Web Apps 2010 SP1 allows remote attackers to execute arbitrary code via a crafted RTF document, aka "RTF File listid Use-After-Free Vulnerability." Affected products include: Microsoft Word Automation Services, Microsoft Office Compatibility Pack, Microsoft Office Web Apps, Microsoft Word, Microsoft Word Viewer.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 9.3 CRITICAL

AV:N/AC:M/Au:N/C:C/I:C/A:C

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Confidentiality

Integrity

Availability

DescriptionCVE.org

Use-after-free vulnerability in Microsoft Word 2003 SP3, 2007 SP2 and SP3, and 2010 SP1; Word Viewer; Office Compatibility Pack SP2 and SP3; Word Automation Services on Microsoft SharePoint Server 2010; and Office Web Apps 2010 SP1 allows remote attackers to execute arbitrary code via a crafted RTF document, aka "RTF File listid Use-After-Free Vulnerability."

Threat Intelligence Overview

EPSS Score

56.9%

Top 2% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity CRITICAL

CISA KEV No

Public POC No

EPSS 56.9%

Patch available No

Active threat No

Deciding rule

CRITICAL + EPSS > 30%, no patch available

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

103

Low Medium High Critical

KEV: 0

EPSS: +57

CVSS: +46

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Remote Code Execution CRITICAL

Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.

Affected Products (CPE)CVE.org

cpe:2.3:a:microsoft:word_automation_services:-:*:*:*:*:*:*:*

cpe:2.3:a:microsoft:office_compatibility_pack:*:sp2:*:*:*:*:*:*

cpe:2.3:a:microsoft:office_compatibility_pack:*:sp3:*:*:*:*:*:*

cpe:2.3:a:microsoft:office_web_apps:2010:sp1:*:*:*:*:*:*

cpe:2.3:a:microsoft:word:2003:sp3:*:*:*:*:*:*

cpe:2.3:a:microsoft:word:2007:sp2:*:*:*:*:*:*

cpe:2.3:a:microsoft:word:2007:sp3:*:*:*:*:*:*

cpe:2.3:a:microsoft:word:2010:sp1:*:*:*:*:*:*

cpe:2.3:a:microsoft:word_viewer:*:*:*:*:*:*:*:*

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References

Advisories & patches

REF http://www.securityfocus.com/bid/55781 REF http://www.us-cert.gov/cas/techalerts/TA12-283A.html REF https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-064 REF https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15680

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