Known Vulnerabilities for Office Excel by Microsoft
Listed below are 9 of the newest known vulnerabilities associated with "Office Excel" by "Microsoft".
These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.
Data on known vulnerable versions is also displayed based on information from known CPEs
Known Vulnerabilities
| CVE | Shortened Description | Severity | Publish Date | Last Modified |
|---|---|---|---|---|
| CVE-2026-58618 json | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |
| CVE-2026-56156 json | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |
| CVE-2026-55949 json | Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |
| CVE-2026-55948 json | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |
| CVE-2026-55947 json | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |
| CVE-2026-55899 json | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |
| CVE-2026-55898 json | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | Not Provided | 2026-07-14 | 2026-07-14 |
| CVE-2026-55141 json | Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |
| CVE-2026-55138 json | Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | Not Provided | 2026-07-14 | 2026-07-14 |
| CVE-2026-55137 json | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | Not Provided | 2026-07-14 | 2026-07-15 |