Microsoft · dm-crypt: reject the lmk IV mode with AEAD ciphers
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in a04546fa65cbcf4a2774f93f365d747a19abb9b8 : update Microsoft when convenient.
Data as of 7 Nov 2026, 12:36 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in a04546fa65cbcf4a2774f93f365d747a19abb9b8, a50e830ded5a0d0cb9e897d1521716ba654f8c3e, a1a875614dae43b43d311bb9e7a7a70eed78efe6 +5
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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Description
This vulnerability concerns dm-crypt rejecting the lmk IV mode when used with AEAD ciphers. The provided information is limited and does not detail the impact or exploitation methods. The affected versions are 3.0 and 4.0 of the Microsoft product referenced. No CVSS score or detailed impact description is available.