CVE-2023-28293

HIGHNVD 7.87.8—Elevated

7.8

Windows Kernel Elevation of Privilege Vulnerability

CVSS v3: 7.8
EG Score: 7.8(medium)
EPSS: 92.6%
KEV: Not listed

Published

April 11, 2023

Last Modified

January 1, 2025

References (3)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28293
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/173135/Microsoft-Windows-11-22h2-Kernel-Privilege-Escalation.html
af854a3a-2127-422b-91ae-364da2661108https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28293

Weakness Classification(1)

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

CWE-191Integer Underflow

All Vendor Advisories

(1)

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.

Microsoft MSRCCVE-2023-282932023-04-11
Windows Kernel Elevation of Privilege Vulnerability

Data Freshness Timeline

(refreshed 12× in last 7d / 19× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
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
2026-05-25 03:16 UTCEG score recompute
2026-05-25 03:16 UTCVendor advisory
2026-05-25 03:15 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-51544
First seen Jun 26, 2023
Windows 11 22h2 - Kernel Privilege Elevation
Open source ↗

Frequently asked(5)

What is CVE-2023-28293?

CVE-2023-28293 is a high vulnerability published on April 11, 2023. Windows Kernel Elevation of Privilege Vulnerability

When was CVE-2023-28293 disclosed?

CVE-2023-28293 was first published in the National Vulnerability Database on April 11, 2023, with the most recent update on January 1, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-28293 actively exploited?

CVE-2023-28293 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 92.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-28293?

CVE-2023-28293 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2023-28293?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-28293, 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-2023-28293

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CVE-2023-28293

Published

Last Modified

References (3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-28293?

Same vendor

Same CWE

CVE-2023-28293

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-28293?

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References (3)

Frequently asked(5)

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