Use after free in MediaTek, Inc. MediaTek Chipset
CVSS score
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EPSS probability
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Risk score
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Published
2 h ago
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
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Source agreement
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Evidence confidence
%55
Short explanation
A use after free vulnerability exists in the GPU pdma of MediaTek chipset products. This can lead to local escalation of privilege with no additional execution privileges needed. User interaction is not required for exploitation [S0].
The reported vulnerability poses security risks by enabling local escalation of privilege without requiring additional execution privileges or user interaction [S0].
What should be done?
- Follow the official vendor security bulletin [S0]
Chain of evidence and sources
CVE-2026-20558, MediaTek chipset GPU pdma bileşeninde use after free kaynaklı bir ayrıcalık artırımı zafiyetidir [S0].
İstismar için ek yürütme yetkisi veya kullanıcı etkileşimi gerekmemektedir [S0].
Show the technical text from the sources
In GPU pdma, there is a possible escalation of privilege due to use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11365070; Issue ID: MSV-9547.
CWE: CWE-416
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-20558 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | MediaTek, Inc. | MediaTek chipset | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20558 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-20558 weaknesses.
Official Sources and Advisories
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Weakness Type (CWE & CAPEC)
Similar Vulnerabilities
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