What is the CVSS score of CVE-2012-1867?

CVE-2012-1867 has a CVSS 3.1 base score of 8.4 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.0%.

Windows Xp CVE-2012-1867

HIGH

Resource Management Errors (CWE-399)

2012-06-12 secure@microsoft.com

Buffer Overflow Microsoft Windows Server 2008 Windows 7 Windows Xp Windows 2003 Server Windows Server 2003 Windows Vista

8.4

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-399
Impact	CVSS score of 8.4 (HIGH). Attack characteristics: local attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 1.03%.
Exploit ScenarioDerived	Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 1.0% exploitation probability (EPSS)

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AnalysisAI

Integer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. 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. Integer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted TrueType font file that triggers incorrect memory allocation, aka "Font Resource Refcount Integer Overflow Vulnerability." Affected products include: Microsoft Windows 2003 Server, Microsoft Windows 7, Microsoft Windows Server 2003, Microsoft Windows Server 2008, Microsoft Windows Vista.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.4 HIGH

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

Integer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows local users to gain privileges via a crafted TrueType font file that triggers incorrect memory allocation, aka "Font Resource Refcount Integer Overflow Vulnerability."

Threat Intelligence Overview

EPSS Score

1.0%

Top 23% 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 HIGH

CISA KEV No

Public POC No

EPSS 1.0%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

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

Defer

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +42

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Affected Products (CPE)CVE.org

cpe:2.3:o:microsoft:windows_2003_server:*:sp2:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_2003_server:*:sp2:itanium:*:*:*:*:*

cpe:2.3:o:microsoft:windows_7:*:*:x86:*:*:*:*:*

cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*

cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2003:*:sp2:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2008:*:r2:itanium:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2008:*:r2:x64:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x64:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2008:*:sp2:x86:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2008:-:sp2:itanium:*:*:*:*:*

cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*

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References

Advisories & patches

REF http://www.us-cert.gov/cas/techalerts/TA12-164A.html REF https://docs.microsoft.com/en-us/security-updates/securitybulletins/2012/ms12-041 REF https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15510

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