High severity · published Aug 4, 2026
CVE-2026-24079
Missing Authentication for Critical Function in Data Modem
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
Cryptographic Issue while processing registration requests with malformed or missing authentication parameters.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SN
Snapdragon · Qualcomm, Inc.
AR8035; CSRA6620; CSRA6640; FastConnect 6200; FastConnect 6700; FastConnect 6800; +34 more · source: vendor
AF
Ar8035 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csra6620 Firmware · Qualcomm
All versions, or not specified · source: NVD
CF
Csra6640 Firmware · Qualcomm
All versions, or not specified · source: NVD
F6
Fastconnect 6200 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
FP
Fsm200 Platform Firmware · Qualcomm
All versions, or not specified · source: NVD
FF
Fsm20055 Firmware · Qualcomm
All versions, or not specified · source: NVD
FG
Fwa Gen 3 Ultra Firmware · Qualcomm
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-24079
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-24079
Vendor Advisory
https://docs.qualcomm.com/product/publicresources/securitybulletin/august-2026-bulletin.html
More from Snapdragon
8.6
CVE-2025-21479
Incorrect Authorization in Graphics
8.6
CVE-2025-21480
Incorrect Authorization in Graphics Windows
7.8
CVE-2026-21385
Integer Overflow or Wraparound in Graphics
7.8
CVE-2024-43047
Use After Free in DSP Service
7.8
CVE-2023-33107
Integer Overflow or Wraparound in Graphics Linux