CVE-2026-15165 Vulnerability Analysis & Exploit Details

CVE-2026-15165
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2026-15165 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2026-15165 Details

Status: Analyzed

Last updated: 🕜 10 Jul 2026, 13:51 UTC
Originally published on: 🕘 08 Jul 2026, 21:16 UTC

Time between publication and last update: 1 days

CVSS Release: version 3

CVSS3 Source

cve@gitlab.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-15165 Vulnerability Summary

CVE-2026-15165: TLS ECH decryptor crash in Wireshark 4.6.0 to 4.6.6 allows denial of service

Assessing the Risk of CVE-2026-15165

Access Complexity Graph

The exploitability of CVE-2026-15165 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-2026-15165

With low attack complexity and no required privileges, CVE-2026-15165 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

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-2026-15165, 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-2026-15165, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-15165 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2026-15165 poses no threat to data integrity.
  • Availability: High
    CVE-2026-15165 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-15165 References

External References

CWE Common Weakness Enumeration

CWE-122

CAPEC Common Attack Pattern Enumeration and Classification

  • Forced Integer Overflow CAPEC-92 This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.

Vulnerable Configurations

  • cpe:2.3:a:wireshark:wireshark:4.6.0:-:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.0:-:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.0:rc0:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.0:rc0:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.1:-:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.1:-:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.1:rc0:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.1:rc0:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.2:-:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.2:-:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.2:rc0:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.2:rc0:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.3:-:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.3:-:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.3:rc0:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.3:rc0:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.4:rc0:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.4:rc0:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.5:-:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.5:-:*:*:*:*:*:*
  • cpe:2.3:a:wireshark:wireshark:4.6.6:-:*:*:*:*:*:*
    cpe:2.3:a:wireshark:wireshark:4.6.6:-:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2026-15165: Combat Critical CVE Threats

Stay updated with real-time CVE vulnerabilities and take action to secure your systems. Enhance your cybersecurity posture with the latest threat intelligence and mitigation techniques. Develop the skills necessary to defend against CVEs and secure critical infrastructures. Join the top cybersecurity professionals safeguarding today's infrastructures.

Other 5 Recently Published CVEs Vulnerabilities

  • CVE-2026-58319 – Certain Apache Doris FE HTTP REST administrative APIs were accessible without proper authentication. An unauthenticated attacker with network acces...
  • CVE-2026-56451 – A vulnerability has been identified in Opcenter X (All versions < V2604). Affected applications do not properly validate the algorithm specified in...
  • CVE-2026-54429 – A vulnerability has been identified in SIMATIC S7-PLCSIM Advanced (All versions). Affected devices do not properly handle high-volume multicast net...
  • CVE-2026-3014 – Milestone has released a new version of XProtect® (and several cumulative patch updates) which fix security vulnerability in Management Server API....
  • CVE-2026-15043 – DBI::SQL::Nano versions from 1.42 before 1.651 for Perl have inverted <= and >= SQL operators on text. DBI::SQL::Nano, DBI's built-in mini-SQL eng...