Recorded 29 Oct 2026 at 20:19 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

Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

What it said

CVE: CVE-2026-88077
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-190: Integer Overflow or Wraparound
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: 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

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 29 Oct 2026 at 20:17 UTC
CISA KEV: Complete at observationRead 29 Oct 2026 at 20:17 UTC
FIRST EPSS: Complete at observationRead 29 Oct 2026 at 20:17 UTC
Public detection templates (Nuclei): Complete at observationRead 29 Oct 2026 at 20:17 UTC

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

What changed

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)
29 Oct 2026

Page history

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Cite this version

Field-level log (5)

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29 Oct 2026 · 20:19:26 UTC Public detection templateNo Nuclei template listed
29 Oct 2026 · 20:19:26 UTC EPSSNot scored → No EPSS score collected
29 Oct 2026 · 20:19:26 UTC Customer actionRequired: apply the update → Required: follow the MSRC remediation guidance
29 Oct 2026 · 20:19:26 UTC Publicly disclosedNo → No (MSRC assessment)
29 Oct 2026 · 20:19:26 UTC Exploitation detectedNot reported by MSRC → No known exploitation (MSRC assessment)