What is the CVSS score of CVE-2018-25238?

CVE-2018-25238 has a CVSS 4.0 base score of 6.9 (Medium). CVSS vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2018-25238?

Yes, a public proof-of-concept exploit is available for CVE-2018-25238. Prioritise patching immediately. EPSS: 0.0%.

Vsco CVE-2018-25238

EUVD-2018-21732 MEDIUM

Improper Handling of Overlap Between Protected Memory Ranges (CWE-1260)

2026-04-04 VulnCheck

GHSA-g8w3-f2ww-wpcc

Denial Of Service Microsoft Vsco

6.9

CVSS 4.0 · Vendor: VulnCheck

View

Vulnerability Assessment

Weakness	CWE CWE-1260 ASVS 5.0 V15 - Secure Coding and Architecture Hardware memory protection
Impact	CVSS score of 6.9 (MEDIUM). Attack characteristics: local attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.01%.
Exploit ScenarioDerived	Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAI

Microsoft VSCO 1.1.1.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string through the search functionality. Rated medium severity (CVSS 6.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available 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.

Affected VersionsENISA

VSCO 1.1.1.0

Affected Packages

euvd vsco no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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-1260. Microsoft VSCO 1.1.1.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string through the search functionality. Attackers can paste a buffer of 5000 characters into the search bar and navigate back to trigger an application crash. Affected products include: Vsco.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (VulnCheck) PRIMARY 6.9 MEDIUM

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

Attack Vector

Local

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

None

Vulnerable system: Integrity

None

Vulnerable system: Availability

High

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

Lifecycle Timeline

PoC Detected

Apr 07, 2026 - 13:20 vuln.today

Public exploit code

CVE Published

Apr 04, 2026 - 13:51 nvd

MEDIUM 6.9

DescriptionCVE.org

Microsoft VSCO 1.1.1.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting an excessively long string through the search functionality. Attackers can paste a buffer of 5000 characters into the search bar and navigate back to trigger an application crash.

Threat Intelligence Overview

EPSS Score

0.0%

Top 98% exploitable

Exploit

POC

Public exploit code exists

Data Quality

7 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

Vulnrichment

Exploit-DB

VulDB

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 MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

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.