CVE-2026-54772

HIGHPre-NVD 7.57.5
EchelonGraph scoreLOW confidence

This high-severity CVE scores 7.5 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: cna:github_m
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: —CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake

Impact

An unauthenticated remote attacker can pin one server thread‑pool worker at 100 % CPU per connection. With a few connections, the CPU usage can be exhausted.

Preconditions

An attacker being able to reach a service which is exposing an endpoint using one of NetTcpBinding, NetNamedPipeBinding, or UnixDomainSocketBinding.

Patches

Fixed in CoreWCF v1.8.1 and v1.9.1

Workarounds

None

CVSS v3
7.5
EG Score
7.5(low)
EPSS
—
KEV
Not listed

Published

June 19, 2026

Last Modified

June 19, 2026

Vendor Advisories for CVE-2026-54772(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Affected Packages

(1 across 1 ecosystem)
NuGet(1)
PackageVulnerable rangeFixed inDependents
CoreWCF.NetFramingBase1.9.01.9.1—

Data Freshness Timeline

(refreshed 13× in last 7d / 33× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-07 05:27 UTCEG score recompute
  2. 2026-07-06 16:34 UTCEG score recompute
  3. 2026-07-06 03:32 UTCEG score recompute
  4. 2026-07-05 14:33 UTCEG score recompute
  5. 2026-07-05 01:40 UTCEG score recompute
  6. 2026-07-04 12:37 UTCEG score recompute
  7. 2026-07-03 23:45 UTCEG score recompute
  8. 2026-07-03 10:53 UTCEG score recompute
  9. 2026-07-02 21:43 UTCEG score recompute
  10. 2026-07-02 08:51 UTCEG score recompute
  11. 2026-07-01 19:57 UTCEG score recompute
  12. 2026-07-01 07:05 UTCEG score recompute
  13. 2026-06-30 18:13 UTCEG score recompute
  14. 2026-06-30 05:21 UTCEG score recompute
  15. 2026-06-29 16:29 UTCEG score recompute
  16. 2026-06-29 03:37 UTCEG score recompute
  17. 2026-06-28 14:43 UTCEG score recompute
  18. 2026-06-28 01:51 UTCEG score recompute
  19. 2026-06-27 12:59 UTCEG score recompute
  20. 2026-06-27 00:06 UTCEG score recompute
  21. 2026-06-26 11:14 UTCEG score recompute
  22. 2026-06-25 19:44 UTCEG score recompute
  23. 2026-06-25 06:51 UTCEG score recompute
  24. 2026-06-24 17:48 UTCEG score recompute
  25. 2026-06-24 04:40 UTCEG score recompute
Show 8 more
  1. 2026-06-23 15:44 UTCEG score recompute
  2. 2026-06-23 02:51 UTCEG score recompute
  3. 2026-06-22 13:57 UTCEG score recompute
  4. 2026-06-22 01:03 UTCEG score recompute
  5. 2026-06-21 12:07 UTCEG score recompute
  6. 2026-06-20 23:12 UTCEG score recompute
  7. 2026-06-20 10:17 UTCEG score recompute
  8. 2026-06-19 21:25 UTCEG score recompute

Frequently asked(4)

What is CVE-2026-54772?
CVE-2026-54772 is a high vulnerability published on June 19, 2026. CoreWCF: Pre-authentication infinite-loop CPU exhaustion in CoreWCF net.tcp / net.pipe / net.uds framing handshake Impact An unauthenticated remote attacker can pin one server thread‑pool worker at 100 % CPU per connection. With a few connections, the CPU usage can be exhausted. Preconditions An…
When was CVE-2026-54772 disclosed?
CVE-2026-54772 was first published in the National Vulnerability Database on June 19, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-54772?
CVE-2026-54772 has a CVSS v4.0 base score of 7.5 (CNA self-assessment; NVD's own analysis pending). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-54772?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-54772, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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