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Recorded 31 Oct 2026 at 18:22 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.

CVEMicrosoft Security Response Center

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

What it said

CVE
CVE-2026-96203
Severity
Important
CVSS base score
8.8
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Impact
Elevation of Privilege
Exploitation detected
No known exploitation (MSRC assessment)
Publicly disclosed
No (MSRC assessment)
Exploitability
Exploitation Less Likely
Component
Microsoft Edge (Chromium-based)
Weakness
CWE-416: Use After Free
Issued by
Microsoft
Customer action
Required: follow the MSRC remediation guidance
Affected products
Microsoft Edge (Chromium-based)
Updates that fix it
No KB listed
CISA KEV
Not listed in the collected catalog
EPSS
0.6%; scored 31 Oct 2026
Public detection template
No Nuclei template listed
Published
26 Oct 2026 07:00 UTC
Last revised
26 Oct 2026 07:00 UTC
Revision note
Information published.
Public exploit code
No Nuclei template listed

Source evidence when recorded

Microsoft security releases
Complete at observationRead 31 Oct 2026 at 18:20 UTC
CISA KEV
Complete at observationRead 31 Oct 2026 at 18:20 UTC
FIRST EPSS
Complete at observationRead 31 Oct 2026 at 18:20 UTC
Public detection templates (Nuclei)
Complete at observationRead 31 Oct 2026 at 18:20 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 · Customer action: Required: apply the update → Required: follow the MSRC remediation guidance · Public disclosure: No → No (MSRC assessment) · Exploitation detected: Not reported by MSRC → No known exploitation (MSRC assessment)
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. 31 Oct 2026 · 18:22:15 UTC EPSS0.6%; scored 30 Oct 2026 → 0.6%; scored 31 Oct 2026
  2. 30 Oct 2026 · 18:02:45 UTC EPSSNo EPSS score collected → 0.6%; scored 30 Oct 2026
  3. 29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
  4. 29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
  5. 29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
  6. 29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → No (MSRC assessment)
  7. 29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → No known exploitation (MSRC assessment)
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 11 Nov 21:06 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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