P4Verified

CVE-2026-63533: 365 apps Version not applicable in the source CPE; +13 more affected products

CVE-2026-63533. CVSS 3.1 base score 7.8 (HIGH, Vendor/CNA). EPSS 0.00466 (percentile 0.38662), scored 13-Oct-2026.

Affected technology

365 apps · Version not applicable in the source CPE
microsoft

microsoft 365 · Version not applicable in the source CPE
microsoft

office 2016 · Version not applicable in the source CPE
microsoft

office 2019 · Version not applicable in the source CPE
microsoft

office 2021 · Version not applicable in the source CPE
microsoft

office 2024 · Version not applicable in the source CPE
microsoft

Microsoft 365 Apps for Enterprise · 16.0.1 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Office 2016 · 16.0.0 to before 16.0.5565.1001
Microsoft

Microsoft Office 2019 · 19.0.0 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Office 365 for Mac · 1.0.0 to before 16.112.26081010
Microsoft

Microsoft Office LTSC 2021 · 16.0.1 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Office LTSC 2024 · 16.0.0 to before https://aka.ms/OfficeSecurityReleases
Microsoft

Microsoft Office LTSC for Mac 2021 · 16.0.1 to before 16.112.26081010
Microsoft

Microsoft Office LTSC for Mac 2024 · 16.0.0 to before 16.112.26081010
Microsoft

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · No privileges required · User interaction required

What an attacker can do

An unauthorized attacker can execute code locally. Vendor/CNA’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.

Published 15-Oct-2026 01:10 UTC

CWE: CWE-122
CCR priority: 31.3 /100 (P4)
CVSS 3.1: 7.8 /10 · CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00466 · percentile 0.38662 · 2026-10-13
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-63533.html