Microsoft · md raid: fix hang when stopping arrays with metadata through dm-raid
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in cefcb9297fbdb6d94b61787b4f8d84f55b741470 : update Microsoft when convenient.
Data as of 30 Oct 2026, 06:59 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in cefcb9297fbdb6d94b61787b4f8d84f55b741470, 63054027d95200b04f3cf624faa7817e0555d56a, 338378dfffbdbb8d37a18f0a0c0358812671f91e +7
Exploitation evidence
Disclosed: evidence found.
CVE published 8 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 29 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-2026-43309 is a vulnerability related to md raid in Microsoft software, specifically causing a hang when stopping arrays with metadata through dm-raid. The affected version is exactly 3.0. No CVSS score is provided for this vulnerability.