CVE-2026-71968
Use-after-free in OP-TEE loader allows secure-world kernel memory corruption.
Is CVE-2026-71968 being exploited?
Not confirmed. CVE-2026-71968 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.10% probability of exploitation in the next 30 days.
How severe is CVE-2026-71968?
CVE-2026-71968 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-71968?
Yes. A fix has been recorded for CVE-2026-71968. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-71968 affect?
CVE-2026-71968 affects OP-TEE OS <= 4.10.0, Devices using OP-TEE (ARM TrustZone TEEs), Signed Trusted Applications with TA_FLAG_CONCURRENT. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-71968?
Update OP-TEE to commit 8794043+; apply vendor patches and audit/load policies for signed TAs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
An attacker able to load a signed Trusted Application can corrupt S-EL1 secure-world kernel memory, potentially enabling TEE compromise or privilege escalation.
Patch when possible
- affected<= 4.10.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.