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.
CVE-2023-28746
MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence
Score 6.5 from GitHub Security Advisory published 2024-03-14. NVD baseline CVSS 6.5; sources differ by 0.0.
Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EPSS
- 41.9%
- 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/[email protected]/message/EIUICU6CVJUIB6BPJ7P5QTPQR5VOBHFK/
- secure@intelhttps://lists.fedoraproject.org/archives/list/[email protected]/message/H63LGAQXPEVJOES73U4XK65I6DASOAAG/
- secure@intelhttps://lists.fedoraproject.org/archives/list/[email protected]/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/[email protected]/message/EIUICU6CVJUIB6BPJ7P5QTPQR5VOBHFK/
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/[email protected]/message/H63LGAQXPEVJOES73U4XK65I6DASOAAG/
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/[email protected]/message/ZON4TLXG7TG4A2XZG563JMVTGQW4SF3A/
- af854a3a-2127-422b-91ae-364da2661108https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00898.html
Vendor Advisories for CVE-2023-28746(3)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
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.
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 41.9% 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
Explore the affected products and dependency analysis for CVE-2023-28746
Is Your Infrastructure Affected by CVE-2023-28746?
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