CVE-2026-70105
published 2026-08-20CVE-2026-70105: Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
PriorityP337medium6.5CVSS 3.1
AVNACLPRNUIRSUCHINAN
EPSS
0.54%
43.2th percentile
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | microsoft_365_apps_for_enterprise | >= 16.0.1 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_2019 | >= 19.0.0 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_365_for_mac | >= 1.0.0 < 16.112.26081010 | 16.112.26081010 |
| microsoft | microsoft_office_ltsc_2021 | >= 16.0.1 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_ltsc_2024 | >= 16.0.0 < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| microsoft | microsoft_office_ltsc_for_mac_2021 | >= 16.0.1 < 16.112.26081010 | 16.112.26081010 |
| microsoft | microsoft_office_ltsc_for_mac_2024 | >= 16.0.0 < 16.112.26081010 | 16.112.26081010 |
| microsoft | microsoft_word_2016 | >= 16.0.1 < 16.0.5565.1000 | 16.0.5565.1000 |
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VulDB
Microsoft Office/Word input validation
vuldb·2026-08-21·CVSS 6.5
CVE-2026-70105 [MEDIUM] Microsoft Office/Word input validation
A vulnerability has been found in Microsoft Office and Word and classified as problematic. This issue affects some unknown processing. This manipulation causes improper input validation.
This vulnerability is handled as CVE-2026-70105. The attack can be initiated remotely. There is not any exploit available.
It is recommended to apply a patch to fix this issue.
GHSA
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
ghsa_unreviewed·2026-08-21
CVE-2026-70105 [MEDIUM] CWE-20 Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-20
Published