Vulnerability · CVE-2026-80726
REJECTED: CVE-2026-80726: KVM: x86/mmu: WARN and clear role.invalid when creating a child shadow page
Published Sep 3, 2026 · catalog updated Oct 20, 2026 · Linux Linux Kernel
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Open the advisory
Exploitation likelihood is not on this record for CVE-2026-80726. A missing EPSS score is not a low risk. Compare Linux Linux Kernel with the linked advisory before you change production.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- EPSS is missing. A missing score is not a low risk.
Same product and reporting
- CVE-2026-98654 · Unknown
- CVE-2026-90050 · Unknown
- CVE-2026-90052 · Unknown
- CVE-2026-98165 · Unknown
- CVE-2026-98853 · Unknown
- Severity
- Unknown—
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- Not in the current FIRST EPSS dataset
- Remediation
- Not established
- Affected products
- linux kernel
CVE-2026-80726 has now been rejected and is no longer a valid CVE.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- linux kernelversion unspecified
How to fix CVE-2026-80726
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
Exploitation likelihood is not on this record for CVE-2026-80726. A missing EPSS score is not a low risk. Compare Linux Linux Kernel with the linked advisory before you change production.
Which versions are affected?
Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS is absent from the current FIRST dataset. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Sep 3, 2026 · NIST NVD
Detected
Oct 20, 2026 · NIST NVD
Rejected
NVD rejected this CVE record.
Oct 20, 2026 · NIST NVD
Updated
The description or metadata changed.
Sources
- CVE.orgVulnerability recordCVE-2026-80726
Official CVE identifier
cve.org - Linux Kernel CVEVendor advisoryCVE-2026-80726
CVE-2026-80726 has now been rejected and is no longer a valid CVE.
git.kernel.org - NIST NVDVulnerability recordCVE-2026-80726
Rejected
nvd.nist.gov
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgOct 21, 2026
- Linux Kernel CVEOct 21, 2026
- NIST NVDOct 20, 2026