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Vulnerabilities

Vulnerability · CVE-2026-1021

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

Published Jan 16, 2026 · catalog updated Jul 30, 2026 · This CVE ID has

Last checked Nov 4, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2026-1021 is not in CISA KEV. FIRST estimates a 64.00% chance of exploitation in the next 30 days. Check whether you run This CVE ID has.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (This CVE ID has).
  • 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.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
64.00%
Remediation
Vendor / distro source
Affected products
vendor twcert

This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

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.

  • vendor twcertversion unspecified

How to fix CVE-2026-1021

  • 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?

CVE-2026-1021 is not in CISA KEV. FIRST estimates a 64.00% chance of exploitation in the next 30 days. Check whether you run This CVE ID has.

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 64.00%. 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.

  1. Jan 16, 2026 · EUVD

    Detected

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

  2. Jul 30, 2026 · EUVD

    Updated

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

Sources

  • CVE.orgVulnerability recordCVE-2026-1021

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2026-2985

    This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Jul 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 4, 2026
  • EUVDNov 2, 2026