Cyber Resilience

CVE-2026-25260

High

Published: 01 June 2026

Published
01 June 2026
Modified
02 June 2026
KEV Added
Patch
CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0001 1.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-25260 is a high-severity Time-of-check Time-of-use (TOCTOU) Race Condition (CWE-367) vulnerability in Qualcomm Cologne Firmware. Its CVSS base score is 7.8 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 1.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Memory Corruption when accessing shared buffers without validation of concurrent user-mode input modifications.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

CWE-367 TOCTOU race on shared buffers enables local memory corruption exploit for privilege escalation.

Confidence: MEDIUM · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2024-45560Same product: Qualcomm Fastconnect 6700
CVE-2025-59603Same product: Qualcomm Cologne
CVE-2025-47390Same product: Qualcomm Cologne
CVE-2025-47407Same product: Qualcomm Fastconnect 6700
CVE-2024-38418Same product: Qualcomm Fastconnect 6900
CVE-2026-21375Same product: Qualcomm Cologne
CVE-2025-47343Same product: Qualcomm Cologne
CVE-2026-21380Same product: Qualcomm Cologne
CVE-2026-25259Same product: Qualcomm Cologne
CVE-2026-21372Same product: Qualcomm Cologne

Affected Assets

qualcomm
cologne firmware
all versions
qualcomm
fastconnect 6700 firmware
all versions
qualcomm
fastconnect 6900 firmware
all versions
qualcomm
fastconnect 7800 firmware
all versions
qualcomm
qcm5430 firmware
all versions
qualcomm
qcm6490 firmware
all versions
qualcomm
video collaboration vc3 platform firmware
all versions
qualcomm
sc8380xp firmware
all versions
qualcomm
sd865 5g firmware
all versions
qualcomm
snapdragon ar1 gen 1 platform firmware
all versions
+25 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-367

Timestamps meeting UTC or offset standards help identify TOCTOU issues through precise chronological reconstruction of check/use operations.

References