CVE-2026-25266: Exposed dangerous function in windows host
Published May 4, 2026
·Updated
Memory corruption while processing IOCTL command when device is in power-save state.
Affected Software
49 affected components
Microsoft Windows
All of the following
Qualcomm Cologne Firmware
Qualcomm Cologne
All of the following
Qualcomm Fastconnect 6900 Firmware
Qualcomm Fastconnect 6900
All of the following
Qualcomm Fastconnect 7800 Firmware
Qualcomm Fastconnect 7800
All of the following
Qualcomm Sc8380xp Firmware
Qualcomm Sc8380xp
All of the following
Qualcomm Snapdragon Ar1 Gen 1 Firmware
Qualcomm Snapdragon Ar1 Gen 1
All of the following
Qualcomm Wcd9378c Firmware
Qualcomm Wcd9378c
All of the following
Qualcomm Wcd9380 Firmware
Qualcomm Wcd9380
All of the following
Qualcomm Wcd9385 Firmware
Qualcomm Wcd9385
All of the following
Qualcomm Wcn7861 Firmware
Qualcomm Wcn7861
All of the following
Qualcomm Wcn7880 Firmware
Qualcomm Wcn7880
All of the following
Qualcomm Wsa8830 Firmware
Qualcomm Wsa8830
All of the following
Qualcomm Wsa8832 Firmware
Qualcomm Wsa8832
All of the following
Qualcomm Wsa8835 Firmware
Qualcomm Wsa8835
All of the following
Qualcomm Wsa8840 Firmware
Qualcomm Wsa8840
All of the following
Qualcomm Wsa8845 Firmware
Qualcomm Wsa8845
All of the following
Qualcomm Wsa8845h Firmware
Qualcomm Wsa8845h
All of the following
Qualcomm X2000077 Firmware
Qualcomm X2000077
All of the following
Qualcomm X2000086 Firmware
Qualcomm X2000086
All of the following
Qualcomm X2000090 Firmware
Qualcomm X2000090
All of the following
Qualcomm X2000092 Firmware
Qualcomm X2000092
All of the following
Qualcomm X2000094 Firmware
Qualcomm X2000094
All of the following
Qualcomm Xg101002 Firmware
Qualcomm Xg101002
All of the following
Qualcomm Xg101032 Firmware
Qualcomm Xg101032
All of the following
Qualcomm Xg101039 Firmware
Qualcomm Xg101039
Event History
May 4, 2026
CVE Published
via MITRE·04:43 PM
Data Sourced
via MITRE·04:43 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-25266?
CVE-2026-25266 is classified as a high severity vulnerability due to its potential for memory corruption.
2
How do I fix CVE-2026-25266?
To mitigate CVE-2026-25266, apply the latest security patches provided by Microsoft for Windows.
3
What are the potential impacts of CVE-2026-25266?
CVE-2026-25266 could lead to system instability and exploitation through memory corruption during power-save state transitions.
4
Is CVE-2026-25266 related to IOCTL commands?
Yes, CVE-2026-25266 involves vulnerabilities associated with processing IOCTL commands in Windows.
5
Which versions of Windows are affected by CVE-2026-25266?
CVE-2026-25266 affects various versions of Microsoft Windows that utilize power-save mode with dangerous function exposure.