# CVE-2026-6516 — Zohocorp ManageEngine ADAudit Plus

> As of 2026-07-24, CVE-2026-6516 is a CRITICAL-severity vulnerability in Zohocorp ManageEngine ADAudit Plus, CVSS v3.1 10, EPSS 4.7% (90.9th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-6516, most recently “CVE-2026-6516: Unauthenticated Remote Code Execution in ManageEngine ADAudit Plus (CVSS 10.0)”.

**Last updated:** 2026-07-24

## What is CVE-2026-6516?

Zohocorp ManageEngine ADAudit Plus versions before 8606 are affected by Unauthenticated Remote code execution due to the vulnerable agent API.

The record classifies CVE-2026-6516 under weakness class [CWE-78](https://intel.threadlinqs.com/cwe/CWE-78). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 74 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 10 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L`)
- **EPSS (FIRST):** 4.7% probability of exploitation in the next 30 days, higher than 90.9% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 8.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-23, last modified 2026-07-24

## Is CVE-2026-6516 being exploited?

No public exploitation evidence for CVE-2026-6516 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-07-24. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

## Affected products and versions

- **Zohocorp**: ManageEngine ADAudit Plus

## How to fix CVE-2026-6516

No vendor patch reference has been recorded for CVE-2026-6516 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-6516

1 tracked threat in the Threadlinqs corpus references CVE-2026-6516, either in the campaign’s CVE list or as an indicator on the campaign record.

- [CVE-2026-6516: Unauthenticated Remote Code Execution in ManageEngine ADAudit Plus (CVSS 10.0)](https://intel.threadlinqs.com/threat/TL-2026-1756) — CRITICAL · 2026-07-29

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-30.

**Other references**

- [manageengine.com](https://www.manageengine.com/products/active-directory-audit/cve-2026-6516.html)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-6516
Full detection coverage and IOCs for threats exploiting CVE-2026-6516 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp