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Recorded 6 Nov 2026 at 16:31 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.

CVEMicrosoft Security Response Center

Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Out-of-bounds read in Microsoft Edge (Chromium-based) allows an unauthorized attacker to disclose information over a network.

What it said

CVE
CVE-2026-122518
Severity
Moderate
CVSS base score
6.5
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Impact
Information Disclosure
Exploitation detected
No known exploitation (MSRC assessment)
Publicly disclosed
No (MSRC assessment)
Exploitability
Exploitation Less Likely
Component
Microsoft Edge (Chromium-based)
Weakness
CWE-125: Out-of-bounds Read
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
No EPSS score collected
Public detection template
Unknown: detection-template evidence is incomplete or retained
Published
4 Nov 2026 08:00 UTC
Last revised
4 Nov 2026 08:00 UTC
Revision note
Information published.

Source evidence when recorded

Microsoft security releases
IncompleteRead 6 Nov 2026 at 15:16 UTC
CISA KEV
Complete at observationRead 6 Nov 2026 at 16:26 UTC
FIRST EPSS
IncompleteRead 6 Nov 2026 at 15:16 UTC
Public detection templates (Nuclei)
IncompleteRead 6 Nov 2026 at 15:16 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: detection-template 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 (4)

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

  1. 6 Nov 2026 · 16:31:02 UTC Public detection templateNo Nuclei template listed → Unknown: detection-template evidence is incomplete or retained
  2. 6 Nov 2026 · 16:31:02 UTC Source coverage: public-exploit-codeCurrent → Incomplete
  3. 6 Nov 2026 · 16:31:02 UTC Source coverage: first-epssCurrent → Incomplete
  4. 6 Nov 2026 · 16:31:02 UTC Source coverage: msrc-cvrfCurrent → 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 10 Nov 19:43 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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