Microsoft Office Excel Remote Code Execution Vulnerability
CVE-2026-97009 is a remote code execution vulnerability in Microsoft Office Excel (rated Important, CVSS 7.8).
1 version
Facts
- Microsoft id
CVE-2026-97009- Products
- Microsoft Office Excel
- Severity
- Important
- Impact
- Remote Code Execution
- CVSS
- 7.8
- CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
- Customer action required
- Yes
- Release
- 2026-Oct
- Assigned by
- Microsoft
- Weakness
- CWE-122: Heap-based Buffer Overflow
- MSRC revision
- 1.0
- Status pages
- Microsoft 365 apps status
- First captured by us
- (from our first import of this list)
- Microsoft last modified
- Source
- Security updates · open the original at Microsoft
Microsoft's revision notes
- Revision 1.0, 2026-10-13:
Information published.
Microsoft says
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Is the Preview Pane an attack vector for this vulnerability?
What Microsoft changed
One version so far. If Microsoft edits it, each change shows here with what was removed and added.
First version we captured ·
The text as we first saw it
Seen by us · Microsoft's timestamp · Microsoft's page
Related changes
Mentioning the same Microsoft ids
Other changes for Microsoft 365 apps
- Microsoft Office Word Remote Code Execution Vulnerability
- Microsoft Office Word Remote Code Execution Vulnerability
- Microsoft Office Excel Information Disclosure Vulnerability
- Microsoft Office Excel Remote Code Execution Vulnerability
- Microsoft Office Excel Remote Code Execution Vulnerability
- Microsoft Office Word Remote Code Execution Vulnerability
- Microsoft Office Word Remote Code Execution Vulnerability
- Microsoft Office Remote Code Execution Vulnerability
Last updated