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Recorded 23 Oct 2026 at 08:31 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.

The historical “Publicly disclosed: No” field could represent a missing MSRC assessment. It does not establish that the vulnerability was undisclosed. The original recorded fields remain below.

CVEMicrosoft Security Response Center

Raw Image Extension Remote Code Execution Vulnerability

Heap-based buffer overflow in Windows Raw Image Extension allows an unauthorized attacker to execute code over a network.

What it said

CVE
CVE-2026-21413
Severity
Critical
CVSS base score
9.8
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Remote Code Execution
Exploitation detected
Not reported by MSRC
Publicly disclosed
No
Exploitability
Exploitation Less Likely
Component
Windows Raw Image Extension
Weakness
CWE-122: Heap-based Buffer Overflow
Issued by
Cisco Talos
Customer action
Required: apply the update
Affected products
Raw Image Extension on Windows 10 for 32-bit Systems, Raw Image Extension on Windows 10 for x64-based Systems, Raw Image Extension on Windows 10 Version 1607 for 32-bit Systems, Raw Image Extension on Windows 10 Version 1607 for x64-based Systems, Raw Image Extension on Windows 10 Version 1809 for 32-bit Systems, Raw Image Extension on Windows 10 Version 1809 for ARM64-based Systems, Raw Image Extension on Windows 10 Version 1809 for HoloLens, Raw Image Extension on Windows 10 Version 1809 for x64-based Systems, Raw Image Extension on Windows 10 Version 1909 for 32-bit Systems, Raw Image Extension on Windows 10 Version 1909 for ARM64-based Systems, Raw Image Extension on Windows 10 Version 1909 for x64-based Systems, Raw Image Extension on Windows 10 Version 20H2 for 32-bit Systems, Raw Image Extension on Windows 10 Version 20H2 for ARM64-based Systems, Raw Image Extension on Windows 10 Version 21H1 for 32-bit Systems, Raw Image Extension on Windows 10 Version 21H1 for ARM64-based Systems, Raw Image Extension on Windows 10 Version 21H1 for x64-based Systems, Raw Image Extension on Windows 10 Version 21H2 for 32-bit Systems, Raw Image Extension on Windows 10 Version 21H2 for ARM64-based Systems, Raw Image Extension on Windows 10 Version 21H2 for x64-based Systems, Raw Image Extension on Windows 11 version 21H2 for ARM64-based Systems, Raw Image Extension on Windows 11 version 21H2 for x64-based Systems, Raw Image Extension on Windows 11 version 26H2, Raw Image Extension on Windows 11 Version 26H2 for ARM64-based Systems, Raw Image Extension on Windows 11 Version 26H2 for x64-based Systems
Updates that fix it
No KB listed
CISA KEV
Unknown: catalog evidence is incomplete or retained
EPSS
Not scored
Public exploit code
Unknown: exploit-code evidence is incomplete or retained
Published
13 Oct 2026 07:00 UTC
Last revised
13 Oct 2026 07:00 UTC
Revision note
Information published.

Source evidence when recorded

Microsoft security releases
IncompleteRead 23 Oct 2026 at 08:14 UTC
CISA KEV
IncompleteRead 23 Oct 2026 at 08:14 UTC
FIRST EPSS
IncompleteRead 23 Oct 2026 at 08:14 UTC
Public detection templates (Nuclei)
IncompleteRead 23 Oct 2026 at 08:14 UTC

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

What changed

  1. Detection template: No Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained · CISA KEV: Not listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
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 (7)

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

  1. 23 Oct 2026 · 08:31:50 UTC Public exploit codeNo Nuclei template listed → Unknown: exploit-code evidence is incomplete or retained
  2. 23 Oct 2026 · 08:31:50 UTC CISA KEVNot listed in the collected catalog → Unknown: catalog evidence is incomplete or retained
  3. 23 Oct 2026 · 08:31:50 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  4. 23 Oct 2026 · 08:31:50 UTC Source coverage: first-epssCurrent → Incomplete
  5. 23 Oct 2026 · 08:31:50 UTC Source coverage: cisa-kevCurrent → Incomplete
  6. 23 Oct 2026 · 08:31:50 UTC Source coverage: msrc-cvrfCurrent → Incomplete
  7. 18 Oct 2026 · 14:54:30 UTC Link: October 2026/security?release=2026-Oct#cves
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 10 Nov 06:49 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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