CVE-2026-84791 Vulnerability Analysis & Exploit Details

CVE-2026-84791
Vulnerability Scoring

7.1
/10
Very High Risk

Highly exploitable, CVE-2026-84791 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-84791 Details

Status: Received on 23 Sep 2026, 12:17 UTC

Published on: 23 Sep 2026, 12:17 UTC

CVSS Release: version 3

CVSS3 Source

0fc0942c-577d-436f-ae8e-945763c79b02

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

CVE-2026-84791 Vulnerability Summary

CVE-2026-84791: ZohoCorp ManageEngine OpManager and Firewall Analyzer versions 12.8.710 and below were vulnerable to a Broken Access Control vulnerability that allowed an authenticated low-privilege user to modify Change Management report schedule configurations for firewalls outside their assigned scope.

Assessing the Risk of CVE-2026-84791

Access Complexity Graph

The exploitability of CVE-2026-84791 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-84791

CVE-2026-84791 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-84791, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-84791, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-84791 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: Low
    Exploiting CVE-2026-84791 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2026-84791 does not impact system availability.

CVE-2026-84791 References

External References

CWE Common Weakness Enumeration

CWE-639

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