Double free in MediaTek apu component can crash applications
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.
Summary
MediaTek chipsets MT6899, MT6993, MT8668, MT8781 and MT8910 are affected. A double free in the apu component (CWE-415) can crash an application. A local attacker with no additional privileges can cause a denial of service without user interaction.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
In apu, there is a possible application crash due to double free. This could lead to local denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249024; Issue ID: MSV-9168.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MediaTek | MediaTek chipset | MT6899; MT6993; MT8668; MT8781; MT8910 | — | No fix listed | CNA |
- MediaTek chipset VendorMediaTek Affected MT6899; MT6993; MT8668; MT8781; MT8910 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
| cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | MediaTek |
| cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:* | not specified by NVD | Running on | MediaTek |
- cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt8781_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt8781:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
- cpe:2.3:o:mediatek:mt8910_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·MediaTek
- cpe:2.3:h:mediatek:mt8910:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·MediaTek
Remediation
The sources list no fixed version for MediaTek chipset.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-05 Threatist record created from CVE-2026-20532
- 2026-10-05 Alias added: GHSA-5fq6-5rjv-rwvv
References
More MediaTek Mt6899 Firmware vulnerabilities
- TI-2026-16576 Out-of-bounds write in MediaTek chipset CVSS 3.1HIGH 8.8
- TI-2026-16643 Heap-based buffer overflow in MediaTek chipset CVSS 3.1HIGH 8.4
- TI-2026-16642 Heap-based buffer overflow in MediaTek chipset CVSS 3.1HIGH 8.4
- TI-2026-67576 Use after free in MediaTek apu component allows privilege escalation CVSS 3.1HIGH 8.4
- TI-2026-67569 Memory corruption in MediaTek apu lets local users escalate privileges CVSS 3.1HIGH 8.4
- TI-2026-67566 Privilege escalation in MediaTek Video HAL from missing bounds check CVSS 3.1HIGH 8.4
Sources
- CVE-2026-20532 · CVE Program
- CVE-2026-20532 · NVD
- FIRST EPSS
- GHSA-5fq6-5rjv-rwvv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences