What is the CVSS score of CVE-2015-1677?

CVE-2015-1677 has a CVSS 2.0 base score of 2.1 (Low). CVSS vector: AV:L/AC:L/Au:N/C:P/I:N/A:N. EPSS exploitation probability: 2.5%.

Is there a public PoC exploit available for CVE-2015-1677?

Yes, a public proof-of-concept exploit is available for CVE-2015-1677. Prioritise patching immediately. EPSS: 2.5%.

Is there a patch available for CVE-2015-1677?

Yes, a patch is available for CVE-2015-1677. Update the affected software to the latest version immediately.

Windows Server 2003 CVE-2015-1677

LOW

Information Exposure (CWE-200)

2015-05-13 secure@microsoft.com

Information Disclosure Microsoft Windows Server 2008 Windows Server 2012 Windows 7 Windows 8 1 Windows Rt 8 1 Windows Server 2003 Windows Vista Windows 8 Windows Rt

2.1

CVSS 2.0 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-200 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V14 - Data Protection Data exposure prevention MITRE ATT&CK 2 techniques across 2 tactics: Collection, Discovery The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 2.1 (LOW). Attack characteristics: local attack vector, low complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 2.53%.
Exploit ScenarioDerived	A local attacker with access to the system could access sensitive data that should not be disclosed.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

Patch available 2.5% exploitation probability (EPSS)

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AnalysisAI

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Minimize information in error messages, implement proper access controls, encrypt sensitive data at rest and in transit.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Exposure of Sensitive Information (CWE-200), which allows attackers to access sensitive data that should not be disclosed. The kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allow local users to bypass the ASLR protection mechanism via a crafted function call, aka "Microsoft Windows Kernel Memory Disclosure Vulnerability," a different vulnerability than CVE-2015-1676, CVE-2015-1678, CVE-2015-1679, and CVE-2015-1680. Affected products include: Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows Rt, Microsoft Windows Rt 8.1.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 2.1 LOW

AV:L/AC:L/Au:N/C:P/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Confidentiality

Integrity

None

Availability

None

DescriptionCVE.org

The kernel-mode drivers in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allow local users to bypass the ASLR protection mechanism via a crafted function call, aka "Microsoft Windows Kernel Memory Disclosure Vulnerability," a different vulnerability than CVE-2015-1676, CVE-2015-1678, CVE-2015-1679, and CVE-2015-1680.

Threat Intelligence Overview

EPSS Score

2.5%

Top 14% exploitable

Exploit

POC

Public exploit code exists

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

Exploit-DB

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 LOW

CISA KEV No

Public POC Yes

EPSS 2.5%

Patch available Yes

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

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

Poc

System Exposure· derived

Small

Automatable· derived

Human Impact· derived

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +3

CVSS: +10

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.

Affected Products (CPE)CVE.org

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

cpe:2.3:o:microsoft:windows_8:-:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_rt:-:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*

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

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

cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*

cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*

cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

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

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References

Advisories & patches

PATCH https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-051 REF http://www.securityfocus.com/bid/74494 REF http://www.securitytracker.com/id/1032294

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