CVE-2026-73064

2.9 LOW 0.1% exploit odds No fix listed Other

What it is

In Mbed TLS 3.2.0 though 3.6.6 and 4.0.0 through 4.1.0, an attacker who can cause an entropy source to fail can remove or inject bytes into the start of the TLS stream. This only affects TLS 1.3 servers.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-09-24 15:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-24 21:04 UTC Last updatedMost recent change to the record

Details

Published: 2026-09-24 15:17 UTC
Last modified: 2026-09-24 21:04 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-394
Record status: Awaiting Analysis

Attack profile CVSS 3.1 · 2.9

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

Raw vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

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References

NVD record · CVE.org record