This page lists publicly disclosed CVE vulnerabilities affecting microsoft excel (linked via NVD CPE). Each row includes severity scores, summaries, and publication dates to help identify and analyze security issues.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2026-45469 | Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.10% | 2026-06-09 | 2026-06-11 |
| CVE-2026-44822 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information over a network. | [email protected] | 8.2 | 0.07% | 2026-06-09 | 2026-06-11 |
| CVE-2026-44820 | Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.08% | 2026-06-09 | 2026-06-11 |
| CVE-2026-44818 | Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.0 | 0.04% | 2026-06-09 | 2026-06-11 |
| CVE-2026-44817 | Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.15% | 2026-06-09 | 2026-06-11 |
| CVE-2026-42832 | Improper access control in Microsoft Office allows an unauthorized attacker to perform spoofing locally. | [email protected] | 7.7 | 0.04% | 2026-05-12 | 2026-05-19 |
| CVE-2026-40362 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.06% | 2026-05-12 | 2026-06-01 |
| CVE-2026-40360 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | [email protected] | 7.8 | 0.06% | 2026-05-12 | 2026-05-19 |
| CVE-2026-40359 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.06% | 2026-05-12 | 2026-05-19 |
| CVE-2026-32189 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.06% | 2026-04-14 | 2026-04-29 |
| CVE-2026-32188 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | [email protected] | 7.1 | 0.05% | 2026-04-14 | 2026-04-29 |
| CVE-2026-26133 | AI command injection in M365 Copilot allows an unauthorized attacker to disclose information over a network. | [email protected] | 7.1 | 0.05% | 2026-03-16 | 2026-04-09 |
| CVE-2026-26112 | Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.03% | 2026-03-10 | 2026-03-13 |
| CVE-2026-26109 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 8.4 | 0.02% | 2026-03-10 | 2026-03-13 |
| CVE-2026-26108 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.03% | 2026-03-10 | 2026-03-13 |
| CVE-2026-26107 | Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.06% | 2026-03-10 | 2026-03-13 |
| CVE-2026-21261 | Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | [email protected] | 5.5 | 0.04% | 2026-02-10 | 2026-02-11 |
| CVE-2026-21259 | Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally. | [email protected] | 7.8 | 0.04% | 2026-02-10 | 2026-02-11 |
| CVE-2026-21258 | Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. | [email protected] | 5.5 | 0.06% | 2026-02-10 | 2026-02-11 |
| CVE-2026-20957 | Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally. | [email protected] | 7.8 | 0.08% | 2026-01-13 | 2026-01-14 |