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CVE-2026-70347

Windows Installer Elevation of Privilege Vulnerability

CVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 10 Nov 2026 23:21:22 UTC. Read the latest advisory.

cve-program · CVE-2026-70347

Published

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-70347

Published

Windows Installer Elevation of Privilege Vulnerability

Heap-based buffer overflow in Windows Installer allows an authorized attacker to elevate privileges locally.

Source published
11 Aug 2026 17:05:38 UTC
Source modified
10 Nov 2026 21:59:20 UTC
Saved here
10 Nov 2026 23:21:22 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

CVSS 3.1 · 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

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 12 Nov 14:22 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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