PT-2026-46046 · Op Tee · Op-Tee

Haruto Kimura + 1 · CVE-2026-45702 · Published 2026-06-03 · Updated 2026-07-22

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions OP-TEE versions 4.3.0 through 4.10.x

Description A type confusion occurs in OP-TEE OS when processing an 'FFA MEM SHARE' request from the normal world. This issue specifically affects configurations where OP-TEE is set as a Secure Partition Manager Core (SPMC) for S-EL0 Secure Partitions, specifically when CFG CORE SEL1 SPMC=y and CFG SECURE PARTITION=y are enabled.

Recommendations Update to version 4.11.0.

Fix

Type Confusion

Weakness Enumeration

CWE-843

Related Identifiers

CVE-2026-45702

Affected Products

Op-Tee

References · 10

• https://github.com/OP-TEE/optee_os/security/advisories/GHSA-86pj-8xgw-66p5 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-45702 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-45702 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-45702 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-45702 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-45702 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-45702 · Vendor Advisory
• https://t.me/cveNotify/213303 · Telegram Post
• https://t.me/cveNotify/166223 · Telegram Post
• https://twitter.com/CVEnew/status/2062404847392162080 · Twitter Post