What is the CVSS score of CVE-2016-0170?

CVE-2016-0170 has a CVSS 3.0 base score of 8.8 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 79.9%.

Is there a public PoC exploit available for CVE-2016-0170?

Yes, a public proof-of-concept exploit is available for CVE-2016-0170. Prioritise patching immediately. EPSS: 79.9%.

Windows Vista CVE-2016-0170

HIGH

Improper Access Control (CWE-284)

2016-05-11 secure@microsoft.com

Authentication Bypass RCE Microsoft Windows Server 2008 Windows Server 2012 Windows 10 Windows 7 Windows 8 1 Windows Rt 8 1 Windows Vista

8.8

CVSS 3.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-284 OWASP Top 10:2025 A01:2025 - Broken Access Control ASVS 5.0 V8 - Authorization Access control enforcement MITRE ATT&CK 1 technique across 1 tactic: Defense Evasion 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 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 79.90%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

Act Now Prioritize within 24-48h. Why: HIGH severity + EPSS > 10%.

No patch listed yet 79.9% exploitation probability (EPSS)

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AnalysisAI

GDI in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows remote. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 79.9%.

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.

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 under CWE-284. GDI in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via a crafted document, aka "Windows Graphics Component RCE Vulnerability." Affected products include: Microsoft Windows 10, Microsoft Windows 7, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2008.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

GDI in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allows remote attackers to execute arbitrary code via a crafted document, aka "Windows Graphics Component RCE Vulnerability."

Threat Intelligence Overview

Threat Score

5.7/10

Composite threat intelligence

EPSS Score

79.9%

Top 1% 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 HIGH

CISA KEV No

Public POC Yes

EPSS 79.9%

Patch available No

Active threat Yes

Deciding rule

HIGH severity + EPSS > 10%

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

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact· derived

Medium

Priority Score

144

Low Medium High Critical

KEV: 0

EPSS: +80

CVSS: +44

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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:o:microsoft:windows_10:*:*:*:*:*:*:*:*

cpe:2.3:o:microsoft:windows_10:1511:*:*:*:*:*:*:*

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

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

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

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

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

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

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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Same weakness CWE-284 – Improper Access Control

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References

Advisories & patches

REF http://packetstormsecurity.com/files/137096/Microsoft-Windows-gdi32.dll-ExtEscape-Buffer-Overflow.html REF http://www.securityfocus.com/bid/89864 REF http://www.securitytracker.com/id/1035823 REF https://docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-055

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