Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-70105
Microsoft Word Information Disclosure Vulnerability
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L N N U H N N 7.5 .0097 60.5 —
AFFECTED
Product Versions Fixed
Microsoft 365 Apps for Enterprise 16.0.1 – —
Microsoft Office 2019 19.0.0 – —
Microsoft Office 365 for Mac 1.0.0 – —
Microsoft Office LTSC 2021 16.0.1 – —
Microsoft Office LTSC 2024 16.0.0 – —
Microsoft Office LTSC for Mac 2021 16.0.1 – —
Microsoft Office LTSC for Mac 2024 16.0.0 – —
Microsoft Word 2016 16.0.1 – —
TIMELINE
Aug 3 Reserved by microsoft
Aug 20 Published (CNA: microsoft)
Sep 4 RESCORED — CVE-2026-70105 (Microsoft 365 Apps for Enterprise). CVSS 6.5 → 7.5 (NVD).
Description
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
|---|
| August 3, 2026 | Reserved | Reserved by microsoft |
| August 20, 2026 | Published | Published (CNA: microsoft) |
| September 4, 2026 | RESCORED | RESCORED — CVE-2026-70105 (Microsoft 365 Apps for Enterprise). CVSS 6.5 → 7.5 (NVD). |
Affected
Affected products and packages — 8 rows
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| Microsoft | Microsoft 365 Apps for Enterprise | — | 16.0.1 | — |
| Microsoft | Microsoft Office 2019 | — | 19.0.0 | — |
| Microsoft | Microsoft Office 365 for Mac | — | 1.0.0 | — |
| Microsoft | Microsoft Office LTSC 2021 | — | 16.0.1 | — |
| Microsoft | Microsoft Office LTSC 2024 | — | 16.0.0 | — |
| Microsoft | Microsoft Office LTSC for Mac 2021 | — | 16.0.1 | — |
| Microsoft | Microsoft Office LTSC for Mac 2024 | — | 16.0.0 | — |
| Microsoft | Microsoft Word 2016 | — | 16.0.1 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-70105 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
