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CVE-2023-29357CISA KEV

Microsoft SharePoint Server Privilege Escalation Vulnerability

Severity unknownCVSS unknownCheck the vendor advisory for fixed versions

CISA lists this Microsoft vulnerability as known exploited. Its MSRC release detail is outside this installation's collected history.

CISA KEVCheck MSRC

CISA catalog record

Microsoft SharePoint Server contains an unspecified vulnerability that allows an unauthenticated attacker, who has gained access to spoofed JWT authentication tokens, to use them for executing a network attack. This attack bypasses authentication, enabling the attacker to gain administrator privileges.

Product
SharePoint Server
Added to KEV
10 Jan 2024
Federal remediation due
31 Jan 2024
Known ransomware use
Yes
Public detection template
PublicNuclei template · template membership does not establish exploit availability or applicability to your systems.

What changed

  1. Detection template: Nuclei template listed
  2. Detection template: Nuclei template listed
Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (12)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 13 Nov 2026 · 12:10:20 UTC Source coverage: public-exploit-codeIncomplete → Current
  2. 13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  3. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  4. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  5. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  6. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  7. 29 Oct 2026 · 20:19:26 UTC Public detection templateNuclei template listed
  8. 28 Oct 2026 · 05:10:29 UTC Public exploit codeNuclei template listed
  9. 28 Oct 2026 · 05:10:29 UTC Source coverage: public-exploit-codeCurrent
  10. 28 Oct 2026 · 05:10:29 UTC Link: Nuclei templatehttps://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-29357.yaml
  11. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  12. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete

Explore global source statements, affected packages and advisory history for CVE-2023-29357. The catalog has a separate collection scope from Microsoft release records.

More advisories, affected versions and source history

Exploitation and risk

Source status

CISA KEV lists vulnerabilities known to be exploited. FIRST EPSS estimates the likelihood of exploitation in the next 30 days. An unavailable score does not mean zero risk.

Which CVEs have scores here?

This view includes predictions for CVE identifiers explicitly listed in public NuGet advisories. Microsoft release pages have their own prediction coverage. Check source status for the scope and latest checks.

CVE-2023-29357

Listed in CISA KEV · added 10 Jan 2024 · Microsoft · SharePoint Server

Microsoft SharePoint Server contains an unspecified vulnerability that allows an unauthenticated attacker, who has gained access to spoofed JWT authentication tokens, to use them for executing a network attack. This attack bypasses authentication, enabling the attacker to gain administrator privileges.

CISA source

No EPSS score is available here for this CVE.

Saved 23 Oct 2026 16:01:26 UTC · View this risk record (JSON)

Risk history

Compare earlier KEV listings and daily EPSS scores. Advisory wording and affected versions have a separate history.

When does an EPSS score appear as a change?

A prediction change is reported when EPSS rises from below 10% to 10% or higher. Other daily score changes remain in this history.

CVE-2023-29357 · 23 Oct 2026 16:01:26 UTC

Advisory history

1 saved versions

See how the publisher's advisory changed over time. Each link opens the version saved at that time. The publisher's update date can differ from the date shown here.

How advisory history works

Each link identifies one complete publisher record. History can include advisories that previously shared an identifier; an identifier removed by a publisher no longer establishes a current relationship. A historical link shows only that record and earlier saved versions. Failed checks and unchanged reads do not create new versions.

23 Oct 2026 15:48:27 UTC

Microsoft SharePoint Server Elevation of Privilege Vulnerability

cve-program · CVE-2023-29357 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 13 Nov 18:29 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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