LAG error state unload · RDMA/mlx5: Fix UMR hang
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in ebc2164a4cd4314503f1a0c8e7aaf76d7e5fa211 : update Microsoft when convenient.
Data as of 30 Oct 2026, 11:52 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Thin evidence
One scorer or none- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in ebc2164a4cd4314503f1a0c8e7aaf76d7e5fa211, c8fb5c965ac7d0104872a8e4f6451f3bc6328199, 613f5d4139b6ba801ccd93f9a28943be60d903bc +6
Exploitation evidence
Disclosed: evidence found.
CVE published 27 May 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 30 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
|
| LinuxLinux | Affected
| Fixed in– |
Description
CVE-2026-45973 addresses a vulnerability related to RDMA/mlx5 where a UMR hang occurs during a LAG error state unload. The information provided is limited and does not include technical details or exploitation methods. There is no CVSS score or known exploits in the wild. The affected products include Microsoft and Azure Linux versions 3.0.