CVE-2026-45328
CRITICALEspressif ESP-IDF ESP-TEE Secure Services - Out-of-Bounds Write
Title source: manualDescription
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.4 and 6.0, the esp_tee component exposes secure-service wrappers in esp_secure_services.c and esp_secure_services_iram.c that bridge calls from the user application (i.e. the REE) to TEE-protected hardware peripherals (AES, SHA, ECC, HMAC, SPI, MMU, WDT) and to the security feature like attestation, OTA updates, secure storage. This issue has been patched in versions 5.5.5 and 6.0.1.
References (7)
Core 7
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/espressif/esp-idf/security/advisories/GHSA-mmgp-73p4-92xp
X_Refsource_Misc x_refsource_misc
https://github.com/espressif/esp-idf/commit/145ba4c42dc8283054cfde9a1c3470db7399192f
X_Refsource_Misc x_refsource_misc
https://github.com/espressif/esp-idf/commit/440a5d1906502023f2a0fb0aecbdf0602d14acbf
X_Refsource_Misc x_refsource_misc
https://github.com/espressif/esp-idf/commit/764626a1b7c85b943d207da08a2f8f7d7f3def4d
X_Refsource_Misc x_refsource_misc
https://github.com/espressif/esp-idf/commit/7867f4a57560bf9fc4a931e37ba02b7a3e9f406b
X_Refsource_Misc x_refsource_misc
https://github.com/espressif/esp-idf/commit/afd14ab113acd0ca369965404c99ac42e74d4fcd
X_Refsource_Misc x_refsource_misc
https://github.com/espressif/esp-idf/commit/eebabaff2fdc273b1530fe66e55fb3bcd181dfd6
Scores
CVSS v3
9.3
EPSS
0.0013
EPSS Percentile
2.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-20
CWE-787
Status
published
Products (4)
espressif/esp-idf
5.5.4
espressif/esp-idf
6.0
espressif/esp-idf
= 5.5.4
espressif/esp-idf
= 6.0
Published
Jun 10, 2026
Tracked Since
Jun 10, 2026