CVE-2026-70105 Microsoft Word Information Disclosure Vulnerability
An attacker can disclose sensitive information via a malicious document in Microsoft Word, requiring users to apply vendor patches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-70105?
CVE-2026-70105 is a medium-severity vulnerability in Microsoft Microsoft 365, published on 20 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information over a network.
Weakness: CWE-20
Which versions are affected by CVE-2026-70105?
It affects 5 products.
Products include Microsoft Microsoft 365, Microsoft Office, Microsoft Office 2021, Microsoft Office 2024, Microsoft Word.
How do I fix CVE-2026-70105?
No fix has been published for CVE-2026-70105 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-70105 being exploited?
There is no known exploitation of CVE-2026-70105 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Microsoft 365
Sources
Also known as GHSA-r6q7-c86h-xxvp.