Microsoft · hfsplus: fix held lock freed on hfsplus_fill_super()
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in 3.0 : 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
- EPSS
- 0.09% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.0
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Jun 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
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Security Response Center Microsoft | Affected
| Fixed in– |
AI-suggested
A fix is available in version 3.0 of the affected software. Users should update to this version to remediate the vulnerability.
Description
CVE-2026-46299 is a vulnerability in Microsoft software related to the hfsplus filesystem driver, specifically addressing a fix for a held lock freed in the hfsplus_fill_super() function. The affected version is 3.0. No CVSS score is provided, and there are no known exploits in the wild.