Microsoft · KVM: SVM: Add missing save/restore handling of LBR MSRs
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in bca0597272f9712b1f8ebd38b184db1dc2902ff7 : 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 bca0597272f9712b1f8ebd38b184db1dc2902ff7, 4428a0a8643b0acf4ed7b8ea3e5975023bf4aafb, 3700f0788da6acf73b2df56690f4b201aa4aefd2 +2
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
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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– |
Description
CVE-2026-46014 is a vulnerability related to KVM's SVM implementation where there is missing save and restore handling of LBR MSRs. The information provided is minimal and does not include technical details beyond this. No known exploits are reported in the wild.