CVE-2023-28746

MEDIUMNVD 6.56.5—

6.5

Information exposure through microarchitectural state after transient execution from some register files for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 12.6%
KEV: Not listed

Published

March 14, 2024

Last Modified

May 12, 2026

References (16)

secure@intelhttp://www.openwall.com/lists/oss-security/2024/03/12/13
secure@intelhttps://lists.debian.org/debian-lts-announce/2024/05/msg00003.html
secure@intelhttps://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
secure@intelhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EIUICU6CVJUIB6BPJ7P5QTPQR5VOBHFK/
secure@intelhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H63LGAQXPEVJOES73U4XK65I6DASOAAG/
secure@intelhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZON4TLXG7TG4A2XZG563JMVTGQW4SF3A/
secure@intelhttps://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00898.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2024/03/12/13
af854a3a-2127-422b-91ae-364da2661108http://xenbits.xen.org/xsa/advisory-452.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/05/msg00003.html
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/EIUICU6CVJUIB6BPJ7P5QTPQR5VOBHFK/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/H63LGAQXPEVJOES73U4XK65I6DASOAAG/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZON4TLXG7TG4A2XZG563JMVTGQW4SF3A/
af854a3a-2127-422b-91ae-364da2661108https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00898.html

Patch Availability(7)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	intel-microcode (3.20240514.0ubuntu0.16.04.1+esm1) @ xenial	2026-05-22	ubuntu
redhat	microcode_ctl-4:20240910-1.el9_5	2024-11-12	redhat
redhat	kernel-0:5.14.0-284.88.1.el9_2	2024-10-16	redhat
redhat	kernel-rt-0:5.14.0-284.88.1.rt14.373.el9_2	2024-10-16	redhat
redhat	kernel-0:5.14.0-427.40.1.el9_4	2024-10-16	redhat
redhat	microcode_ctl-4:20230808-2.20240531.1.el9_4	2024-10-03	redhat
redhat	kernel-0:4.18.0-553.16.1.el8_10	2024-08-08	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-1342

All Vendor Advisories

(8)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 04:18 UTCEG score recompute
2026-05-22 04:18 UTCVendor advisory
2026-05-22 04:18 UTCGHSA enrichment
2026-05-21 22:41 UTCepss_batch
2026-05-20 22:37 UTCepss_batch
2026-05-20 22:37 UTCepss_batch

Frequently asked(5)

What is CVE-2023-28746?

CVE-2023-28746 is a medium vulnerability published on March 14, 2024. Information exposure through microarchitectural state after transient execution from some register files for some Intel(R) Atom(R) Processors may allow an authenticated user to potentially enable information disclosure via local access.

When was CVE-2023-28746 disclosed?

CVE-2023-28746 was first published in the National Vulnerability Database on March 14, 2024, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-28746 actively exploited?

CVE-2023-28746 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-28746?

CVE-2023-28746 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2023-28746?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28746, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-28746

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