| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.53 |
Summary
A vulnerability classified as very critical was found in MediaTek MT6881, MT6993, MT8188, MT8189, MT8668, MT8781, MT8793, MT8875 and MT8910. Affected by this vulnerability is an unknown functionality of the component neuropilot. The manipulation results in out-of-bounds write. This vulnerability is known as CVE-2026-20523. Attacking locally is a requirement. No exploit is available. A patch should be applied to remediate this issue.
Details
A vulnerability, which was classified as very critical, was found in MediaTek MT6881, MT6993, MT8188, MT8189, MT8668, MT8781, MT8793, MT8875 and MT8910. Affected is an unknown function of the component neuropilot. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
In neuropilot, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS11249062; Issue ID: MSV-9171.
The advisory is available at mediatek.com. This vulnerability is traded as CVE-2026-20523 since 11/03/2025. The exploitability is told to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/05/2026).
Applying the patch ALPS11249062 is able to eliminate this problem.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.8VulDB Meta Temp Score: 8.4
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Patch: ALPS11249062
Timeline
11/03/2025 CVE reserved10/05/2026 Advisory disclosed
10/05/2026 VulDB entry created
10/05/2026 VulDB entry last update
Sources
Advisory: mediatek.comStatus: Confirmed
CVE: CVE-2026-20523 (🔒)
GCVE (CVE): GCVE-0-2026-20523
GCVE (VulDB): GCVE-100-413490
Entry
Created: 10/05/2026 04:23Changes: 10/05/2026 04:23 (54)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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