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    CVE-2026-21372

    Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

    Published:Apr 6, 2026
    Last Modified:Apr 9, 2026
    EPS:Apr 6, 2026
    EPSS Score:0.00007
    CVSS Score:7.8

    Affected Products

    Vendor
    Qualcomm
    Product
    Cologne
    Vendor
    Qualcomm
    Product
    Cologne Firmware
    Vendor
    Qualcomm
    Product
    Fastconnect 6700
    Vendor
    Qualcomm
    Product
    Fastconnect 6700 Firmware
    Vendor
    Qualcomm
    Product
    Fastconnect 6900
    Vendor
    Qualcomm
    Product
    Fastconnect 6900 Firmware
    Vendor
    Qualcomm
    Product
    Fastconnect 7800
    Vendor
    Qualcomm
    Product
    Fastconnect 7800 Firmware
    Vendor
    Qualcomm
    Product
    Qcm5430
    Vendor
    Qualcomm
    Product
    Qcm5430 Firmware
    Vendor
    Qualcomm
    Product
    Qcm6490
    Vendor
    Qualcomm
    Product
    Qcm6490 Firmware
    Vendor
    Qualcomm
    Product
    Snapdragon
    Vendor
    Qualcomm
    Product
    Snapdragon 460 Mobile Platform
    Vendor
    Qualcomm
    Product
    Snapdragon 460 Mobile Platform Firmware
    Vendor
    Qualcomm
    Product
    Snapdragon 662 Mobile Platform
    Vendor
    Qualcomm
    Product
    Snapdragon 662 Mobile Platform Firmware
    Vendor
    Qualcomm
    Product
    Snapdragon 7c\+ Gen 3 Compute
    Vendor
    Qualcomm
    Product
    Snapdragon 7c\+ Gen 3 Compute Firmware
    Vendor
    Qualcomm
    Product
    Video Collaboration Vc3 Platform
    Vendor
    Qualcomm
    Product
    Video Collaboration Vc3 Platform Firmware
    Vendor
    Qualcomm
    Product
    Wcd9370
    Vendor
    Qualcomm
    Product
    Wcd9370 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9375
    Vendor
    Qualcomm
    Product
    Wcd9375 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9378c
    Vendor
    Qualcomm
    Product
    Wcd9378c Firmware
    Vendor
    Qualcomm
    Product
    Wcd9380
    Vendor
    Qualcomm
    Product
    Wcd9380 Firmware
    Vendor
    Qualcomm
    Product
    Wcd9385
    Vendor
    Qualcomm
    Product
    Wcd9385 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3950
    Vendor
    Qualcomm
    Product
    Wcn3950 Firmware
    Vendor
    Qualcomm
    Product
    Wcn3988
    Vendor
    Qualcomm
    Product
    Wcn3988 Firmware
    Vendor
    Qualcomm
    Product
    Wsa8840
    Vendor
    Qualcomm
    Product
    Wsa8840 Firmware
    Vendor
    Qualcomm
    Product
    Wsa8845
    Vendor
    Qualcomm
    Product
    Wsa8845 Firmware
    Vendor
    Qualcomm
    Product
    Wsa8845h
    Vendor
    Qualcomm
    Product
    Wsa8845h Firmware
    Vendor
    Qualcomm
    Product
    X2000077
    Vendor
    Qualcomm
    Product
    X2000077 Firmware
    Vendor
    Qualcomm
    Product
    X2000086
    Vendor
    Qualcomm
    Product
    X2000086 Firmware
    Vendor
    Qualcomm
    Product
    X2000090
    Vendor
    Qualcomm
    Product
    X2000090 Firmware
    Vendor
    Qualcomm
    Product
    X2000092
    Vendor
    Qualcomm
    Product
    X2000092 Firmware
    Vendor
    Qualcomm
    Product
    X2000094
    Vendor
    Qualcomm
    Product
    X2000094 Firmware
    Vendor
    Qualcomm
    Product
    Xg101002
    Vendor
    Qualcomm
    Product
    Xg101002 Firmware
    Vendor
    Qualcomm
    Product
    Xg101032
    Vendor
    Qualcomm
    Product
    Xg101032 Firmware
    Vendor
    Qualcomm
    Product
    Xg101039
    Vendor
    Qualcomm
    Product
    Xg101039 Firmware

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-122 Heap-based Buffer Overflow

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

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    CVE-2026-25258 (CVSS 7.8) — Memory corruption while processing IOCTL calls for escape operations.…
    CVE-2026-24092 (CVSS 7.2) — Memory Corruption when processing fastboot commands to set display mode.…
    CVE-2026-24091 (CVSS 7.2) — Memory corruption while processing fastboot commands with improperly formatted input.…
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    CVE-2026-24089 (CVSS 7.2) — Memory corruption while processing fastboot commands with invalid input.…
    CVE-2026-24087 (CVSS 7.2) — Memory corruption while processing fastboot OEM commands.…
    CVE-2026-24085 (CVSS 7.2) — Memory Corruption when processing display command line information due to improper initialization of a variabl…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High