Findings

CVE-2022-26373

Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclos…

Published Aug 18, 2022 · corrected/updated Oct 14, 2026 · intel xeon platinum 8253 firmware · evidence confidence high

Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Grounded briefings

Catalog interpretations for three audiences. Each brief cites ingested metadata and the original advisories below. They are not independent research and they do not invent exploit steps.

Executive

CVE-2022-26373 is a medium public vulnerability record for intel xeon platinum 8253 firmware. It is not currently listed in the CISA Known Exploited catalog. Check the linked vendor or CERT advisories for patch status. This summary is a catalog interpretation of the ingested metadata and cites the original advisories below.

System administrator

Identify whether intel xeon platinum 8253 firmware is in your estate, then compare installed versions with the affected ranges. Affected packages or ranges on record: intel/xeon platinum 8253 firmware; intel/xeon platinum 8256 firmware; intel/xeon platinum 8260 firmware; intel/xeon platinum 8260l firmware. Check the linked vendor or CERT advisories for patch status. Prefer the vendor or distribution advisory linked in Sources before changing production systems. This is a catalog interpretation, not a runbook.

Security analyst

Signals on file: CVSS 5.5, EPSS 0.4%. It is not currently listed in the CISA Known Exploited catalog. Sources contributing to this record: cve_org, epss, nvd. Public exploit references, when present, are outbound links only and are not proof of active exploitation. This is a catalog interpretation of stored metadata.

Exploitation and remediation

  • Exploitation evidence

    Not listed as known exploited in CISA KEV. Not in the CISA KEV catalog.

  • Patch and remediation

    No required-action text is stored yet. Use the vendor or CERT links in Sources for patch availability.

  • Safe detection guidance

    Compare installed versions with the affected ranges below and verify the advisory from the original publisher. This site stores metadata and outbound links only; it does not ship exploit code or proof-of-concept payloads.

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. Aug 18, 2022 · NIST NVD

    Detected

    Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

  2. Oct 14, 2026 · NIST NVD

    Updated

    Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

Affected

  • cpe intel/xeon platinum 8253 firmwareversion unspecified
  • cpe intel/xeon platinum 8256 firmwareversion unspecified
  • cpe intel/xeon platinum 8260 firmwareversion unspecified
  • cpe intel/xeon platinum 8260l firmwareversion unspecified
  • cpe intel/xeon platinum 8260m firmwareversion unspecified
  • cpe intel/xeon platinum 8260y firmwareversion unspecified
  • cpe intel/xeon platinum 8268 firmwareversion unspecified
  • cpe intel/xeon platinum 8270 firmwareversion unspecified
  • cpe intel/xeon platinum 8276 firmwareversion unspecified
  • cpe intel/xeon platinum 8276l firmwareversion unspecified
  • cpe intel/xeon platinum 8276m firmwareversion unspecified
  • cpe intel/xeon platinum 8280 firmwareversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2022-26373

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-26373

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2022-26373

    Non-transparent sharing of return predictor targets between contexts in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access.

    nvd.nist.gov

References