What is the CVSS score of CVE-2015-1715?

CVE-2015-1715 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: 26.1%.

Silverlight CVE-2015-1715

CRITICAL

Permissions, Privileges, and Access Controls (CWE-264)

2015-05-13 secure@microsoft.com

Privilege Escalation Microsoft Silverlight

9.3

CVSS 2.0 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-264 ASVS 5.0 V8 - Authorization Permission and access control MITRE ATT&CK 1 technique across 1 tactic: Privilege Escalation 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 9.3 (CRITICAL). Attack characteristics: network attack vector, M complexity. EPSS exploitation probability: 26.06%.
Exploit ScenarioDerived	This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system.

Act Now Prioritize within 24-48h. Why: CRITICAL severity.

No patch listed yet 26.1% exploitation probability (EPSS)

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AnalysisAI

Microsoft Silverlight 5 before 5.1.40416.00 allows remote attackers to bypass intended integrity-level restrictions via a crafted Silverlight application, aka "Microsoft Silverlight Out of Browser. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Epss exploitation probability 26.1% 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.

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-264. Microsoft Silverlight 5 before 5.1.40416.00 allows remote attackers to bypass intended integrity-level restrictions via a crafted Silverlight application, aka "Microsoft Silverlight Out of Browser Application Vulnerability." Affected products include: Microsoft Silverlight. Version information: before 5.1.40416.00.

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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

Threat Intelligence Overview

EPSS Score

26.1%

Top 4% 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 26.1%

Patch available No

Active threat No

Deciding rule

CRITICAL severity

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

Low Medium High Critical

KEV: 0

EPSS: +26

CVSS: +46

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.