Snapdragon: Buffer Over-read
CVE-2026-24075 is a high-severity buffer over-read vulnerability in Snapdragon from Qualcomm, with a CVSS 3.1 base score of 7.0 out of 10. It can be exploited with local access to the system by an attacker with a low-privileged account, without any action from a user. Affected Snapdragon versions: AQT1000; Cologne; FastConnect 6200, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.09% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of Snapdragon you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on docs.qualcomm.com for workarounds and exact fixed builds.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Qualcomm | Snapdragon | AQT1000; Cologne; FastConnect 6200; FastConnect 6700; FastConnect 6800; FastConnect 6900; FastConnect 7800; IQX5121; and 32 more ranges | Not stated |
| Qualcomm | Wsa8845h Firmware | Not specified in the record | Not stated |
| Qualcomm | Aqt1000 Firmware | Not specified in the record | Not stated |
| Qualcomm | Cologne Firmware | Not specified in the record | Not stated |
| Qualcomm | Fastconnect 6200 Firmware | Not specified in the record | Not stated |
| Qualcomm | Fastconnect 6700 Firmware | Not specified in the record | Not stated |
| Qualcomm | Fastconnect 6800 Firmware | Not specified in the record | Not stated |
| Qualcomm | Fastconnect 6900 Firmware | Not specified in the record | Not stated |
| Qualcomm | Fastconnect 7800 Firmware | Not specified in the record | Not stated |
| Qualcomm | Iqx5121 Firmware | Not specified in the record | Not stated |
| Qualcomm | Iqx7181 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca0000 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca6391 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca6420 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qca6430 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qcm5430 Firmware | Not specified in the record | Not stated |
| Qualcomm | Qcm6490 Firmware | Not specified in the record | Not stated |
| Qualcomm | Video Collaboration Vc3 Platform Firmware | Not specified in the record | Not stated |
| Qualcomm | Sc8380xp Firmware | Not specified in the record | Not stated |
| Qualcomm | Sm6250 Firmware | Not specified in the record | Not stated |
| Qualcomm | Snapdragon 7c Compute Platform Firmware | Not specified in the record | Not stated |
| Qualcomm | Snapdragon 7c Gen 2 Compute Platform Firmware | Not specified in the record | Not stated |
| Qualcomm | Snapdragon 7c+ Gen 3 Compute Firmware | Not specified in the record | Not stated |
| Qualcomm | Snapdragon 8c Compute Platform Firmware | Not specified in the record | Not stated |
| Qualcomm | Snapdragon 8c Compute Platform (sc8180xp-ad) Firmware | Not specified in the record | Not stated |
Version data comes from the organisation that assigned the CVE; 19 further products are omitted here. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- LocalThe attacker needs local access or must trick a user into running something.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.8 | High | CNA (qualcomm.com) |
| CVSS 3.1 | 7.0 | High | NVD |
Official description
Memory Corruption when multiple threads issue concurrent IOCTL requests to the device control handler due to improper synchronization and race conditions.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Buffer Over-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in Snapdragon
- 7.1 High severity
Recent Buffer Over-read vulnerabilities
- 7.5 High severity
- 8.2 High severity
- 8.2 High severity
- 8.2 High severity
- 7.5 High severity
- 7.3 High severity
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