CVE-2026-97750
8.8HighPublished 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Impact
- Full C/I/A compromise
- Weakness
- CWE-121
Impact
Remote attackers can execute arbitrary code on the victim's machine in the context of the current user. To trigger it, an attacker needs a user to open a malicious Excel file.
Root cause
A stack-based buffer overflow occurs when Microsoft Office Excel parses untrusted input.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Fix & remediation
Install the security update from the vendor advisory (MSRC link). If immediate patching is not possible, block incoming Excel attachments from untrusted external sources and ensure Protected View remains enabled.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-97750PatchVendor Advisory