CVE-2026-66806
Microsoft Office Word Information Disclosure vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-66806
- Affected products
- Microsoft Office Word Information Disclosure · Microsoft Microsoft Office Word Information Disclosure · Microsoft
What happened
Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.
What it means for your business
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-66806) was added to Microsoft’s security update guidance. Off-by-one error in Microsoft Office Word allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
Microsoft Office Word Information Disclosure vulnerability
Microsoft Office Word Information Disclosure vulnerability (CVE-2026-70319) was added to Microsoft’s security update guidance. Improper input validation in Microsoft Office Word allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Microsoft PowerShell Security Feature Bypass vulnerability
Microsoft PowerShell Security Feature Bypass vulnerability (CVE-2026-70338) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
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Windows iSCSI Target Service Remote Code Execution vulnerability
Windows iSCSI Target Service Remote Code Execution vulnerability (CVE-2026-65791) was added to Microsoft’s security update guidance. Acknowledgement Updated If you need help checking exposure, call (864) 335-9223.
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