# CVE-2018-25242

## Summary

- **CVE ID:** CVE-2018-25242
- **Severity:** MEDIUM
- **CVSS Score:** 6.9 (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)
- **CWE:** CWE-1389
- **Published:** Apr 4, 2026
- **Last Modified:** Apr 6, 2026

## Description

Microsoft One Search 1.1.0.0 contains a denial of service vulnerability that allows local attackers to crash the application by submitting excessively long input strings to the search functionality. Attackers can paste a buffer of 950 or more characters into the search bar to trigger an unhandled exception that crashes the application.

## Affected Products

- OneSearch — One Search (1.1.0.0)

## References

- [CNA](https://www.exploit-db.com/exploits/46195)
- [CNA](https://www.microsoft.com/store/productId/9PMR5QNS5LTL)
- [CNA](https://www.vulncheck.com/advisories/microsoft-one-search-denial-of-service)
- [CNA](https://www.vulncheck.com/advisories/one-search-denial-of-service)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.17%
- **EPSS Percentile:** 6.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._