Microsoft · wireguard: device: use exit_rtnl callback instead of manual rtnl_lock in pre_exit
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in a1d0f6cbb962af29586e3e65a4bced1a5e39221f : update Microsoft when convenient.
Data as of 10 Nov 2026, 23:24 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 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in a1d0f6cbb962af29586e3e65a4bced1a5e39221f, 707607db2193591b68c0e70f814133472c185b1e, 60a25ef8dacb3566b1a8c4de00572a498e2a3bf9 +3
Exploitation evidence
Disclosed: evidence found.
CVE published 24 Apr 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 10 Nov 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-2026-31579 is a vulnerability related to the WireGuard device driver, specifically involving the use of an exit routine callback instead of manual locking in the pre-exit function. The advisory references Microsoft products version 2.0 and 3.0 as affected.