CVE-2023-24955

HIGHNVD 7.29.0▲Trending — 5 sources updated this weekExploited in the wild

7.2

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVSS v3: 7.2
EG Score: 9.0(high)
EPSS: 99.7%
KEV: ⚠ Exploited

Published

May 9, 2023

Last Modified

October 28, 2025

References (3)

secure@microsofthttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955
af854a3a-2127-422b-91ae-364da2661108https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-24955
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-24955

Weakness Classification(1)

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

CWE-94Improper Control of Generation of Code (Code Injection)

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-2023-249552023-05-09
Microsoft SharePoint Server Remote Code Execution Vulnerability

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.

2026-06-07 14:49 UTCEG score recompute
2026-06-07 14:49 UTCVendor advisory
2026-06-07 14:49 UTCGHSA enrichment
2026-06-07 11:12 UTCEG score recompute
2026-06-07 11:12 UTCVendor advisory
2026-06-07 11:12 UTCGHSA enrichment
2026-06-07 07:35 UTCEG score recompute
2026-06-07 07:35 UTCVendor advisory
2026-06-07 07:35 UTCGHSA enrichment
2026-06-07 03:58 UTCEG score recompute
2026-06-07 03:58 UTCVendor advisory
2026-06-07 03:58 UTCGHSA enrichment
2026-06-07 00:21 UTCEG score recompute
2026-06-07 00:21 UTCVendor advisory
2026-06-07 00:21 UTCGHSA enrichment
2026-06-06 20:44 UTCEG score recompute
2026-06-06 20:44 UTCVendor advisory
2026-06-06 20:44 UTCGHSA enrichment
2026-06-06 17:07 UTCEG score recompute
2026-06-06 17:07 UTCVendor advisory

Publicly available exploits

(2 references)

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

GitHub PoCformer-farmer/CVE-2023-24955-PoC
First seen Dec 28, 2023
Exploit for Microsoft SharePoint 2019
Open source ↗
Metasploitexploit/windows/http/sharepoint_dynamic_proxy_generator_auth_bypass_rce✓ verified
First seen May 1, 2023
Sharepoint Dynamic Proxy Generator Unauth RCE
Open source ↗

Frequently asked(6)

What is CVE-2023-24955?

CVE-2023-24955 is a high vulnerability published on May 9, 2023. Microsoft SharePoint Server Remote Code Execution Vulnerability

When was CVE-2023-24955 disclosed?

CVE-2023-24955 was first published in the National Vulnerability Database on May 9, 2023, with the most recent update on October 28, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-24955 actively exploited?

Yes. CISA added CVE-2023-24955 to the Known Exploited Vulnerabilities catalog on March 26, 2024, affecting Microsoft SharePoint Server. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2023-24955?

CVE-2023-24955 has a CVSS v3 base score of 7.2 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.

Which products are affected by CVE-2023-24955?

CVE-2023-24955 affects Microsoft SharePoint Server. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2023-24955?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-24955, 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-2023-24955

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Is Your Infrastructure Affected by CVE-2023-24955?

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CVE-2023-24955

Published

Last Modified

References (3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-24955?

Same vendor

Same CWE

CVE-2023-24955

📅 Published

🔄 Last Modified

🔗 References (3)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-24955?

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Last Modified

References (3)

Frequently asked(6)

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