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%.

Microsoft CVE-2018-25238

Q: 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

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

6.9

CVSS 4.0 · NVD

Severity by source

NVD 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

PoC Detected

Apr 07, 2026 - 13:20 vuln.today

Public exploit code

EUVD ID Assigned

Apr 04, 2026 - 14:00 euvd

EUVD-2018-21732

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.

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.

Technical ContextAI

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.

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.