High severity · published Jun 1, 2026
CVE-2026-25277
Buffer Copy Without Checking Size of Input in Secure Processor
8.8
CVSS
0.1%
EPSS
No
On KEV
Description
Memory corruption while using Strongbox due to buffer overflow.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
Snapdragon 8 Gen 2 Mobile Platform; Snapdragon 8+ Gen 2 Mobile Platform; Snapdragon 8 Gen 3 Mobile Platform; Snapdragon 8 Elite; Snapdragon 8 Elite Gen 5 · source: vendor
CF
Cq8750m Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6700 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6800 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6900 Firmware · Qualcomm
All versions, or not specified · source: NVD
F7
Fastconnect 7800 Firmware · Qualcomm
All versions, or not specified · source: NVD
GG
G3x Gen 2 Firmware · Qualcomm
All versions, or not specified · source: NVD
PF
Pandeiro Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6391 Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6698au Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qca6797aq Firmware · Qualcomm
All versions, or not specified · source: NVD
QF
Qcm5430 Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-25277
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-25277
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/june-2026-bulletin.html
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