Microsoft · KVM: PPC: Book3S HV: fix secure device page leak on uv_page_in() failure
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in fcbff8008b0e08cd53b611bd0ff7e01f5b962f80 : update Microsoft when convenient.
Data as of 28 Oct 2026, 09:27 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in fcbff8008b0e08cd53b611bd0ff7e01f5b962f80, f3d4b2fc30c97cf8e6f8b880d2de9c17ecac7f5b, ed2f2ff63cb7e71204096e765c6d02c3b6974b95 +5
Exploitation evidence
Disclosed: evidence found.
CVE published 18 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | 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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| LinuxLinux | Affected
| Fixed in
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Description
A vulnerability identified as CVE-2026-98433 affects Microsoft products version 3.0 and 4.0. It involves a secure device page leak occurring on uv_page_in() failure in the KVM PPC Book3S HV component. No CVSS score or detailed impact information is provided.