CVE-2026-7836 Vulnerability Analysis & Exploit Details

CVE-2026-7836
Vulnerability Scoring

3.1
/10
Moderate Risk

Exploiting CVE-2026-7836 requires specific conditions, leading to a moderate security impact.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and 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-2026-7836 Details

Status: Received on 21 May 2026, 08:16 UTC

Published on: 21 May 2026, 08:16 UTC

CVSS Release: version 3

CVSS3 Source

33c584b5-0579-4c06-b2a0-8d8329fcab9c

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-7836 Vulnerability Summary

CVE-2026-7836: In Netatalk 2.0.0 through 4.4.2, hextoint macro uppercase bug. Fixed in 4.5.0.

Assessing the Risk of CVE-2026-7836

Access Complexity Graph

The exploitability of CVE-2026-7836 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-2026-7836

This vulnerability, CVE-2026-7836, requires a high level of attack complexity and low privileges, making it difficult but not impossible to exploit. Organizations should ensure robust security configurations to mitigate 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-2026-7836, 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-2026-7836, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-7836 has no significant impact on data confidentiality.
  • Integrity: Low
    Exploiting CVE-2026-7836 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2026-7836 does not impact system availability.

CVE-2026-7836 References

External References

CWE Common Weakness Enumeration

CWE-682

CAPEC Common Attack Pattern Enumeration and Classification

  • Integer Attacks CAPEC-128 An attacker takes advantage of the structure of integer variables to cause these variables to assume values that are not expected by an application. For example, adding one to the largest positive integer in a signed integer variable results in a negative number. Negative numbers may be illegal in an application and the application may prevent an attacker from providing them directly, but the application may not consider that adding two positive numbers can create a negative number do to the structure of integer storage formats.
  • Pointer Manipulation CAPEC-129 This attack pattern involves an adversary manipulating a pointer within a target application resulting in the application accessing an unintended memory location. This can result in the crashing of the application or, for certain pointer values, access to data that would not normally be possible or the execution of arbitrary code. Since pointers are simply integer variables, Integer Attacks may often be used in Pointer Attacks.

Protect Your Infrastructure against CVE-2026-7836: Combat Critical CVE Threats

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Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2026-7836 – In Netatalk 2.0.0 through 4.4.2, hextoint macro uppercase bug. Fixed in 4.5.0.
  • CVE-2026-7835 – In Netatalk 3.0.3 through 4.4.2, format string argument mismatch. Fixed in 4.5.0.
  • CVE-2026-4055 – Mattermost versions 11.5.x <= 11.5.1 fail to validate team-level run_create permission against the target team when creating a playbook run which a...
  • CVE-2026-44076 – In Netatalk 3.1.0 through 4.4.2, shell injection via volume path. Fixed in 4.4.3.
  • CVE-2026-44073 – In Netatalk 1.5.0 through 4.4.2, seteuid failure ignored in auth modules. Fixed in 4.5.0.