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Vulnerability record · CVE-2026-25271 · published 6 July 2026

CVE-2026-25271: Qualcomm cologne firmware toctou race condition vulnerability

Qualcomm · Cologne Firmware

Memory Corruption when processing asynchronous input parameters due to improper handling of modified values between check and use.

7.0 CVSS 3.1 High EPSS 0.07% · top 99.9% CWE-367 · TOCTOU race condition
7.0CVSS 3.1 base score
0.07%EPSS exploitation probability, 30 days
NoNot in CISA KEV
21Affected product versions listed by NVD
1References
7 Jul 2026Last modified by NVD

Description

Memory Corruption when processing asynchronous input parameters due to improper handling of modified values between check and use.

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

21 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://docs.qualcomm.com/product/publicresources/securitybulletin/july-2026-bulletin.html Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-25271), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.