CVE-2026-68797
Microsoft Excel Information Disclosure vulnerability
MSRC advisory August 11, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-68797
- Affected products
- Microsoft Excel Information Disclosure · Microsoft Microsoft Excel Information Disclosure · Microsoft
What happened
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
What it means for your business
Microsoft Excel Information Disclosure vulnerability (CVE-2026-68797) was added to Microsoft’s security update guidance. Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. If you need help checking exposure, call (864) 335-9223.
Sources
Related briefs
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-81958) was added to Microsoft’s security update guidance. <p>Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-81401) was added to Microsoft’s security update guidance. <p>Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-81400) was added to Microsoft’s security update guidance. <p>Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.</p> If you need help checking exposure, call (864) 335-9223.
Microsoft Excel Information Disclosure vulnerability
Microsoft Excel Information Disclosure vulnerability (CVE-2026-81399) was added to Microsoft’s security update guidance. <p>Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.</p> If you need help checking exposure, call (864) 335-9223.
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