Excel

52 CVEs product

Monthly

CVE-2026-26112 HIGH This Week

Microsoft Excel and Office products are vulnerable to local code execution through unsafe pointer dereferencing, requiring user interaction to trigger. An attacker with local access can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available, leaving users of affected Office versions at risk.

Microsoft Authentication Bypass Office Online Server Excel Office +2
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-26109 HIGH This Week

Arbitrary code execution in Microsoft Office Excel and related products (Office Online Server, 365 Apps) via out-of-bounds memory read allows local attackers to achieve complete system compromise without requiring user interaction or elevated privileges. This high-severity vulnerability affects multiple Microsoft Office components and currently lacks a security patch. An attacker with local access can exploit memory corruption to execute malicious code with full system permissions.

Microsoft Information Disclosure Buffer Overflow Office Online Server 365 Apps +3
NVD VulDB
CVSS 3.1
8.4
EPSS
0.0%
CVE-2026-26108 HIGH This Week

Heap buffer overflow in Microsoft Office Excel enables local code execution with high integrity and confidentiality impact affecting Office, Office Online Server, and 365 Apps. An attacker with user interaction can achieve arbitrary code execution in the context of the affected application. No patch is currently available for this vulnerability.

Microsoft Buffer Overflow Heap Overflow Office Office Online Server +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-26107 HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]

Microsoft Use After Free Denial Of Service Memory Corruption Office Long Term Servicing Channel +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-21261 MEDIUM This Month

Information disclosure in Microsoft Office Excel and related products results from an out-of-bounds read vulnerability that requires local access and user interaction to exploit. An attacker can leverage this flaw to read sensitive data from memory on an affected system. No patch is currently available for this vulnerability affecting Office Long Term Servicing Channel, 365 Apps, and Office Online Server.

Microsoft Office Long Term Servicing Channel 365 Apps Office Online Server Office +1
NVD
CVSS 3.1
5.5
EPSS
0.0%
CVE-2026-21259 HIGH This Week

Privilege escalation in Microsoft Office Excel (including 365 Apps and Long Term Servicing Channel) via heap-based buffer overflow allows local attackers with user interaction to gain elevated system privileges. The vulnerability affects multiple Office product lines and currently lacks a security patch. With a CVSS score of 7.8, this poses a significant risk to organizations using affected Excel versions.

Microsoft Buffer Overflow Heap Overflow Office Long Term Servicing Channel 365 Apps +3
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-21258 MEDIUM This Month

Information disclosure in Microsoft Excel allows local attackers with user interaction to read sensitive data through improper input validation in Office 365 Apps and Long Term Servicing Channel. An attacker must socially engineer a user into opening a specially crafted file to trigger the vulnerability. No patch is currently available for this medium-severity issue.

Microsoft Office 365 Apps Office Long Term Servicing Channel Excel +1
NVD
CVSS 3.1
5.5
EPSS
0.0%
CVE-2026-20957 HIGH This Week

Arbitrary code execution in Microsoft Office Excel results from an integer underflow vulnerability in the Long Term Servicing Channel and Online Server editions, exploitable by local attackers with user interaction. This HIGH severity flaw (CVSS 7.8) grants full system compromise capabilities including code execution, data theft, and service disruption with no available patch.

Microsoft Integer Overflow Office Long Term Servicing Channel Office Online Server Excel +2
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-20950 HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]

Microsoft Use After Free Excel Office Online Server 365 Apps +2
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-20946 HIGH This Week

Local code execution in Microsoft Office Excel occurs through an out-of-bounds memory read vulnerability affecting the Long Term Servicing Channel, Office 365 Apps, and standalone Office installations. An attacker with local access and user interaction can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available for this high-severity vulnerability.

Microsoft Office Long Term Servicing Channel 365 Apps Office Excel
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2025-62203 HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Microsoft Use After Free 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-62202 HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure 365 Apps Excel +3
NVD
CVSS 3.1
7.1
EPSS
0.1%
CVE-2025-62201 HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Heap Overflow 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-62200 HIGH This Month

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Authentication Bypass 365 Apps Excel Office +2
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-62199 HIGH This Month

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Microsoft Use After Free 365 Apps +3
NVD
CVSS 3.1
7.8
EPSS
0.9%
CVE-2025-60727 HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-60726 HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure 365 Apps Excel +3
NVD
CVSS 3.1
7.1
EPSS
0.1%
CVE-2025-59240 MEDIUM This Month

Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft 365 Apps Excel Office +1
NVD
CVSS 3.1
5.5
EPSS
0.1%
CVE-2025-54904 HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-54903 HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-54902 HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-54901 MEDIUM This Month

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft 365 Apps Excel Office +1
NVD
CVSS 3.1
5.5
EPSS
0.1%
CVE-2025-54900 HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap Overflow Buffer Overflow Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-54899 HIGH This Month

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft 365 Apps Excel Office +1
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-54898 HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-54896 HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-53741 HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap Overflow Buffer Overflow Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-53739 HIGH This Month

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Authentication Bypass Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.2%
CVE-2025-53737 HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap Overflow Buffer Overflow Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-53735 HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-49711 HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Microsoft Use After Free Memory Corruption Denial Of Service Office +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-48812 MEDIUM This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Microsoft Information Disclosure Buffer Overflow Excel 365 Apps +3
NVD
CVSS 3.1
5.5
EPSS
0.1%
CVE-2025-47165 HIGH POC This Week

Use-after-free vulnerability in Microsoft Office Excel that allows local code execution with high severity (CVSS 7.8). An attacker with local access can trigger the vulnerability through user interaction (opening a malicious file) to execute arbitrary code with the privileges of the Excel process, potentially achieving full system compromise. No KEV status, active exploitation data, or public POC availability was confirmed in the provided dataset, but the high CVSS score and local attack vector indicate this requires prompt patching.

Use After Free Microsoft Windows RCE Excel +4
NVD Exploit-DB
CVSS 3.1
7.8
EPSS
0.5%
CVE-2025-32704 HIGH This Week

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Buffer Overflow 365 Apps Excel Office +1
NVD
CVSS 3.1
8.4
EPSS
0.7%
CVE-2025-30383 HIGH This Week

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Memory Corruption Authentication Bypass 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.9%
CVE-2025-30381 HIGH This Week

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Buffer Overflow 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.8%
CVE-2025-30379 HIGH This Week

Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Authentication Bypass 365 Apps Excel Office +2
NVD
CVSS 3.1
7.8
EPSS
0.8%
CVE-2025-30377 HIGH This Week

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft Denial Of Service 365 Apps +4
NVD
CVSS 3.1
8.4
EPSS
0.7%
CVE-2025-30376 HIGH This Week

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Buffer Overflow Heap Overflow 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.8%
CVE-2025-30375 HIGH This Week

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Memory Corruption Authentication Bypass 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.9%
CVE-2025-29979 HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Buffer Overflow Heap Overflow 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.8%
CVE-2025-29977 HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft Denial Of Service 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.8%
CVE-2025-27751 HIGH POC This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Use After Free Memory Corruption Microsoft Denial Of Service 365 Apps +4
NVD Exploit-DB
CVSS 3.1
7.8
EPSS
1.2%
CVE-2025-27750 HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft Denial Of Service 365 Apps +3
NVD
CVSS 3.1
7.8
EPSS
0.9%
CVE-2025-26642 HIGH This Week

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Buffer Overflow 365 Apps Access +5
NVD
CVSS 3.1
7.8
EPSS
0.9%
CVE-2025-21394 HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Use After Free Memory Corruption Microsoft RCE 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2025-21390 HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Microsoft Buffer Overflow Heap Overflow RCE 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2025-21387 HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Use After Free Memory Corruption Microsoft RCE 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.4%
CVE-2025-21386 HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Use After Free Memory Corruption Microsoft RCE 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2025-21383 HIGH PATCH This Week

Microsoft Excel Information Disclosure Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Information Disclosure Microsoft Buffer Overflow 365 Apps Excel +2
NVD
CVSS 3.1
7.8
EPSS
0.3%
CVE-2025-21381 HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Microsoft RCE 365 Apps Excel Office +2
NVD
CVSS 3.1
7.8
EPSS
0.4%
CVE-2025-21362 HIGH PATCH CERT-EU This Month

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Microsoft Memory Corruption Use After Free RCE 365 Apps +4
NVD
CVSS 3.1
8.4
EPSS
0.6%
CVE-2026-26112
EPSS 0% CVSS 7.8
HIGH This Week

Microsoft Excel and Office products are vulnerable to local code execution through unsafe pointer dereferencing, requiring user interaction to trigger. An attacker with local access can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available, leaving users of affected Office versions at risk.

Microsoft Authentication Bypass Office Online Server +4
NVD VulDB
CVE-2026-26109
EPSS 0% CVSS 8.4
HIGH This Week

Arbitrary code execution in Microsoft Office Excel and related products (Office Online Server, 365 Apps) via out-of-bounds memory read allows local attackers to achieve complete system compromise without requiring user interaction or elevated privileges. This high-severity vulnerability affects multiple Microsoft Office components and currently lacks a security patch. An attacker with local access can exploit memory corruption to execute malicious code with full system permissions.

Microsoft Information Disclosure Buffer Overflow +5
NVD VulDB
CVE-2026-26108
EPSS 0% CVSS 7.8
HIGH This Week

Heap buffer overflow in Microsoft Office Excel enables local code execution with high integrity and confidentiality impact affecting Office, Office Online Server, and 365 Apps. An attacker with user interaction can achieve arbitrary code execution in the context of the affected application. No patch is currently available for this vulnerability.

Microsoft Buffer Overflow Heap Overflow +5
NVD
CVE-2026-26107
EPSS 0% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]

Microsoft Use After Free Denial Of Service +6
NVD
CVE-2026-21261
EPSS 0% CVSS 5.5
MEDIUM This Month

Information disclosure in Microsoft Office Excel and related products results from an out-of-bounds read vulnerability that requires local access and user interaction to exploit. An attacker can leverage this flaw to read sensitive data from memory on an affected system. No patch is currently available for this vulnerability affecting Office Long Term Servicing Channel, 365 Apps, and Office Online Server.

Microsoft Office Long Term Servicing Channel 365 Apps +3
NVD
CVE-2026-21259
EPSS 0% CVSS 7.8
HIGH This Week

Privilege escalation in Microsoft Office Excel (including 365 Apps and Long Term Servicing Channel) via heap-based buffer overflow allows local attackers with user interaction to gain elevated system privileges. The vulnerability affects multiple Office product lines and currently lacks a security patch. With a CVSS score of 7.8, this poses a significant risk to organizations using affected Excel versions.

Microsoft Buffer Overflow Heap Overflow +5
NVD
CVE-2026-21258
EPSS 0% CVSS 5.5
MEDIUM This Month

Information disclosure in Microsoft Excel allows local attackers with user interaction to read sensitive data through improper input validation in Office 365 Apps and Long Term Servicing Channel. An attacker must socially engineer a user into opening a specially crafted file to trigger the vulnerability. No patch is currently available for this medium-severity issue.

Microsoft Office 365 Apps +3
NVD
CVE-2026-20957
EPSS 0% CVSS 7.8
HIGH This Week

Arbitrary code execution in Microsoft Office Excel results from an integer underflow vulnerability in the Long Term Servicing Channel and Online Server editions, exploitable by local attackers with user interaction. This HIGH severity flaw (CVSS 7.8) grants full system compromise capabilities including code execution, data theft, and service disruption with no available patch.

Microsoft Integer Overflow Office Long Term Servicing Channel +4
NVD
CVE-2026-20950
EPSS 0% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. [CVSS 7.8 HIGH]

Microsoft Use After Free Excel +4
NVD
CVE-2026-20946
EPSS 0% CVSS 7.8
HIGH This Week

Local code execution in Microsoft Office Excel occurs through an out-of-bounds memory read vulnerability affecting the Long Term Servicing Channel, Office 365 Apps, and standalone Office installations. An attacker with local access and user interaction can exploit this flaw to achieve arbitrary code execution with full system privileges. No patch is currently available for this high-severity vulnerability.

Microsoft Office Long Term Servicing Channel 365 Apps +2
NVD
CVE-2025-62203
EPSS 0% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Microsoft +6
NVD
CVE-2025-62202
EPSS 0% CVSS 7.1
HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure +5
NVD
CVE-2025-62201
EPSS 0% CVSS 7.8
HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Heap Overflow +5
NVD
CVE-2025-62200
EPSS 0% CVSS 7.8
HIGH This Month

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Authentication Bypass 365 Apps +4
NVD
CVE-2025-62199
EPSS 1% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Microsoft +5
NVD
CVE-2025-60727
EPSS 0% CVSS 7.8
HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure +5
NVD
CVE-2025-60726
EPSS 0% CVSS 7.1
HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure +5
NVD
CVE-2025-59240
EPSS 0% CVSS 5.5
MEDIUM This Month

Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft 365 Apps +3
NVD
CVE-2025-54904
EPSS 0% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free +6
NVD
CVE-2025-54903
EPSS 0% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free +6
NVD
CVE-2025-54902
EPSS 0% CVSS 7.8
HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure +5
NVD
CVE-2025-54901
EPSS 0% CVSS 5.5
MEDIUM This Month

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft 365 Apps +3
NVD
CVE-2025-54900
EPSS 0% CVSS 7.8
HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap Overflow Buffer Overflow Microsoft +5
NVD
CVE-2025-54899
EPSS 0% CVSS 7.8
HIGH This Month

Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft 365 Apps +3
NVD
CVE-2025-54898
EPSS 0% CVSS 7.8
HIGH This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Buffer Overflow Microsoft Information Disclosure +5
NVD
CVE-2025-54896
EPSS 0% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free +6
NVD
CVE-2025-53741
EPSS 0% CVSS 7.8
HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap Overflow Buffer Overflow Microsoft +5
NVD
CVE-2025-53739
EPSS 0% CVSS 7.8
HIGH This Month

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Authentication Bypass Microsoft +5
NVD
CVE-2025-53737
EPSS 0% CVSS 7.8
HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Heap Overflow Buffer Overflow Microsoft +5
NVD
CVE-2025-53735
EPSS 0% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Memory Corruption Denial Of Service Use After Free +6
NVD
CVE-2025-49711
EPSS 0% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.

Microsoft Use After Free Memory Corruption +6
NVD
CVE-2025-48812
EPSS 0% CVSS 5.5
MEDIUM This Month

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Microsoft Information Disclosure Buffer Overflow +5
NVD
CVE-2025-47165
EPSS 0% CVSS 7.8
HIGH POC This Week

Use-after-free vulnerability in Microsoft Office Excel that allows local code execution with high severity (CVSS 7.8). An attacker with local access can trigger the vulnerability through user interaction (opening a malicious file) to execute arbitrary code with the privileges of the Excel process, potentially achieving full system compromise. No KEV status, active exploitation data, or public POC availability was confirmed in the provided dataset, but the high CVSS score and local attack vector indicate this requires prompt patching.

Use After Free Microsoft Windows +6
NVD Exploit-DB
CVE-2025-32704
EPSS 1% CVSS 8.4
HIGH This Week

Buffer over-read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Buffer Overflow 365 Apps +3
NVD
CVE-2025-30383
EPSS 1% CVSS 7.8
HIGH This Week

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Memory Corruption Authentication Bypass +5
NVD
CVE-2025-30381
EPSS 1% CVSS 7.8
HIGH This Week

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Buffer Overflow +5
NVD
CVE-2025-30379
EPSS 1% CVSS 7.8
HIGH This Week

Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Authentication Bypass 365 Apps +4
NVD
CVE-2025-30377
EPSS 1% CVSS 8.4
HIGH This Week

Use after free in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +6
NVD
CVE-2025-30376
EPSS 1% CVSS 7.8
HIGH This Week

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Buffer Overflow Heap Overflow +5
NVD
CVE-2025-30375
EPSS 1% CVSS 7.8
HIGH This Week

Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Memory Corruption Authentication Bypass +5
NVD
CVE-2025-29979
EPSS 1% CVSS 7.8
HIGH This Month

Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Microsoft Buffer Overflow Heap Overflow +5
NVD
CVE-2025-29977
EPSS 1% CVSS 7.8
HIGH This Month

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +6
NVD
CVE-2025-27751
EPSS 1% CVSS 7.8
HIGH POC This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Use After Free Memory Corruption Microsoft +6
NVD Exploit-DB
CVE-2025-27750
EPSS 1% CVSS 7.8
HIGH This Week

Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Use After Free Memory Corruption Microsoft +5
NVD
CVE-2025-26642
EPSS 1% CVSS 7.8
HIGH This Week

Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Information Disclosure Microsoft Buffer Overflow +7
NVD
CVE-2025-21394
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Use After Free Memory Corruption Microsoft +6
NVD
CVE-2025-21390
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Microsoft Buffer Overflow Heap Overflow +6
NVD
CVE-2025-21387
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Use After Free Memory Corruption Microsoft +6
NVD
CVE-2025-21386
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Use After Free Memory Corruption Microsoft +6
NVD
CVE-2025-21383
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Microsoft Excel Information Disclosure Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.

Information Disclosure Microsoft Buffer Overflow +4
NVD
CVE-2025-21381
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Microsoft RCE 365 Apps +4
NVD
CVE-2025-21362
EPSS 1% CVSS 8.4
HIGH PATCH This Month

Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 8.4), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.

Microsoft Memory Corruption Use After Free +6
NVD

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