CVE-2026-56898 · Other
NO FIX YET
In aes256_cmac_sw in aes.rs, multi-block messages can have forged message authentication codes because of improper use of cryptography. An attacker with local access could use this to escalate privileges without extra execution rights or user interaction.
first public Nov 10, 2026 · 1 source
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The sources do not name the affected product or version range, so the team cannot tell from this signal alone whether a system it runs uses the aes.rs AES-CMAC software implementation. Systems where local users or processes can reach the affected code path are the ones to look at. unknown
Who cares aes.rs, rust
Unknown from the sources.
No fix yet, per the sources.
In aes256_cmac_sw of aes.rs, there is a possible way to forge message authentication codes over multi-block messages due to improperly used crypto. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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