# CVE-2026-57555: Qualcomm system service memory corruption in user input buffer handling

Source: https://junglewise.ai/threats/cve-2026-57555-memory-corruption-when-executing-system-service-routines-due-to  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-06. Updated: 2026-10-06  
License: CC BY 4.0 with a link back

CVE-2026-57555 · Severity: high · CVSS 7.8 · Published 2026-10-06

A memory corruption vulnerability in Qualcomm system service routines allows local attackers to exploit improper handling of user input buffers. An attacker with local access could trigger this flaw to crash the system, gain elevated privileges, or execute arbitrary code on affected devices.

Technologies: [Qualcomm <UNKNOWN>](https://junglewise.ai/threats/technologies/qualcomm-unknown). Vendors: [Qualcomm](https://junglewise.ai/threats/vendors/qualcomm).

## Quick answers

**Is CVE-2026-57555 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-57555 being exploited in the wild.

**How severe is CVE-2026-57555?** High severity, with a CVSS score of 7.8, published 6 October 2026.

**Which products and versions are affected?** Qualcomm <UNKNOWN>.

**Is there a fix for CVE-2026-57555?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-57555 attacked?** It is attacked with local access, in device firmware.

**Am I affected by CVE-2026-57555?** Check whether you run Qualcomm <UNKNOWN>. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The vulnerability stems from improper validation and handling of user-supplied input buffers in Qualcomm system service routines, leading to memory corruption. This is a local privilege escalation vector requiring local system access. Successful exploitation could result in denial of service, privilege escalation, or arbitrary code execution depending on the specific memory corruption impact.

## Affected products

- Qualcomm <UNKNOWN>

## Timeline

- 2026-10-06: advisory

## References

- [https://docs.qualcomm.com/product/publicresources/securitybulletin/october-2026-bulletin.html](https://docs.qualcomm.com/product/publicresources/securitybulletin/october-2026-bulletin.html)

## Related threats

- [Qualcomm memory corruption in service request processing](https://junglewise.ai/threats/cve-2026-57559-memory-corruption-while-processing-service-requests)
- [Qualcomm transient DoS on zero-sized global configuration override](https://junglewise.ai/threats/cve-2026-57546-transient-dos-when-processing-a-continuous-receive-command-with-a)
- [Qualcomm memory corruption in geographic mapping data synchronization](https://junglewise.ai/threats/cve-2026-57537-memory-corruption-when-accessing-and-modifying-geographic-mapping)
- [Qualcomm memory corruption in shared page list synchronization](https://junglewise.ai/threats/cve-2026-25291-memory-corruption-when-performing-concurrent-operations-on-shared)
- [Qualcomm DMA buffer memory corruption from unsynchronized allocation](https://junglewise.ai/threats/cve-2026-25274-memory-corruption-when-processing-concurrent-dma-buffer)