CVE-2026-20451 Vulnerability Analysis & Exploit Details

CVE-2026-20451
Vulnerability Scoring

6.7
/10
High Risk

If left unpatched, CVE-2026-20451 could lead to major system disruptions or data loss.

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: High
    High-level privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-20451 Details

Status: Analyzed

Last updated: 🕧 07 May 2026, 12:42 UTC
Originally published on: 🕖 04 May 2026, 07:15 UTC

Time between publication and last update: 3 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-20451 Vulnerability Summary

CVE-2026-20451: In slbc, there is a possible out of bounds write due to type confusion. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10828685; Issue ID: MSV-6504.

Assessing the Risk of CVE-2026-20451

Access Complexity Graph

The exploitability of CVE-2026-20451 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-2026-20451

The exploitability of CVE-2026-20451 is influenced by multiple factors. Security teams should analyze system configurations and apply appropriate countermeasures to mitigate threats.

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-2026-20451, 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-2026-20451, 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-2026-20451 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2026-20451 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2026-20451 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-20451 References

External References

CWE Common Weakness Enumeration

CWE-843

Vulnerable Configurations

  • cpe:2.3:o:mediatek:mt8115_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8115_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8115:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8115:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8186_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8186_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8196_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8365_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8365_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8365:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8365:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8367_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8367_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8367:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8367:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8370_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8370_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8370:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8371_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8371_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8371:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8371:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8390_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8390:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8391_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8395_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8395_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8395:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8766_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8766_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8766:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8768_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8768:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8775_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8775_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8786_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8786_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8788e_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8788e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8788e:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8788e:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8791t_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8792_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8796_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8873_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8873_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8883_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8883_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8893_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8893_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt2718_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*
  • cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
    cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*
    cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2026-20451: 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-2026-6956 – ATutor is vulnerable to Reflected XSS in /install/install.php endpoint. An attacker can provide a specially crafted URL that, when opened, results ...
  • CVE-2026-6909 – ATutor is vulnerable to Reflected XSS in /install/upgrade.php endpoint. An attacker can provide a specially crafted URL that, when opened, results ...
  • CVE-2026-41951 – Path traversal vulnerability exists in GROWI v7.5.0 and earlier, which may allow an attacker to execute arbitrary EJS templates on the server when ...
  • CVE-2026-40636 – Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains a use of hard-coded credentials vulnerability. A...
  • CVE-2026-35157 – Dell ECS versions 3.8.1.0 through 3.8.1.7 and Dell ObjectScale versions prior to 4.3.0.0, contains an improper neutralization of formula elements i...