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Recorded 13 Nov 2026 at 11:07 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

The historical field “Public exploit code” recorded Nuclei detection-template membership. It did not establish exploit availability. The original recorded fields remain below.

CVECISA Known Exploited Vulnerabilities

Microsoft SharePoint Deserialization of Untrusted Data Vulnerability

Microsoft SharePoint contains a deserialization of untrusted data vulnerability that allows an unauthorized attacker to execute code over a network.

What it said

CVE
CVE-2026-58644
Vendor
Microsoft
Product
SharePoint
CISA KEV
Listed 16 Jul 2026
Known ransomware use
Not stated
Federal remediation due
19 Jul 2026
Public detection template
Nuclei template listed
Public exploit code
Nuclei template listed

Source evidence when recorded

CISA KEV
Complete at observationRead 13 Nov 2026 at 11:05 UTC
Public detection templates (Nuclei)
IncompleteRead 13 Nov 2026 at 10:02 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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 (11)

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

  1. 13 Nov 2026 · 11:07:20 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  2. 6 Nov 2026 · 17:32:22 UTC Source coverage: public-exploit-codeIncomplete → Current
  3. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  4. 2 Nov 2026 · 17:30:39 UTC Source coverage: public-exploit-codeIncomplete → Current
  5. 2 Nov 2026 · 16:27:39 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  6. 29 Oct 2026 · 20:19:26 UTC Public detection templateNuclei template listed
  7. 28 Oct 2026 · 05:10:29 UTC Public exploit codeNuclei template listed
  8. 28 Oct 2026 · 05:10:29 UTC Source coverage: public-exploit-codeCurrent
  9. 28 Oct 2026 · 05:10:29 UTC Link: Nuclei templatehttps://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-58644.yaml
  10. 23 Oct 2026 · 09:33:49 UTC Source coverage: cisa-kevIncomplete → Current
  11. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
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 15 Nov 19:06 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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