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Office Online Server

48 CVEs product

Monthly

CVE-2026-26112 HIGH PATCH 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.

Authentication Bypass Microsoft 365 Apps Excel Office +2
NVD VulDB
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-26109 HIGH PATCH 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.

Buffer Overflow Information Disclosure Microsoft 365 Apps Excel +3
NVD VulDB
CVSS 3.1
8.4
EPSS
0.0%
CVE-2026-26108 HIGH PATCH 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.

Buffer Overflow Heap Overflow Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-26107 HIGH PATCH This Week

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

Denial Of Service Use After Free Memory Corruption Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-21261 MEDIUM PATCH 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 365 Apps Excel Office Office Long Term Servicing Channel +1
NVD
CVSS 3.1
5.5
EPSS
0.0%
CVE-2026-21259 HIGH PATCH 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.

Buffer Overflow Heap Overflow Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.8
EPSS
0.0%
CVE-2026-21258 MEDIUM PATCH 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 365 Apps Excel Office Office Long Term Servicing Channel +1
NVD
CVSS 3.1
5.5
EPSS
0.0%
CVE-2026-20957 HIGH PATCH 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.

Integer Overflow Microsoft 365 Apps Excel Office +2
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-20955 HIGH PATCH This Week

Arbitrary code execution in Microsoft Excel through unsafe pointer handling enables local attackers to achieve full system compromise without requiring elevated privileges. This vulnerability affects Microsoft 365 Apps, Office, Office Online Server, and Office Long Term Servicing Channel across multiple versions. No patch is currently available, leaving affected systems vulnerable to exploitation via maliciously crafted spreadsheets.

Microsoft 365 Apps Office Office Long Term Servicing Channel Office Online Server
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2026-20950 HIGH PATCH This Week

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

Use After Free Microsoft 365 Apps Excel Office +2
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.

Denial Of Service Use After Free Memory Corruption Microsoft 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 Information Disclosure Microsoft 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 Heap Overflow Microsoft 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.

Authentication Bypass Microsoft 365 Apps Excel Office +2
NVD
CVSS 3.1
7.8
EPSS
0.1%
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 Information Disclosure Microsoft 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 Information Disclosure Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.1
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.

Denial Of Service Use After Free Memory Corruption 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.

Denial Of Service Use After Free Memory Corruption 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 Information Disclosure Microsoft 365 Apps Excel +3
NVD
CVSS 3.1
7.8
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.

Buffer Overflow Heap Overflow Microsoft 365 Apps Excel +3
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 Information Disclosure Microsoft 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.

Denial Of Service Use After Free Memory Corruption Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-53759 HIGH This Month

Use of uninitialized resource 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 Office Office Long Term Servicing Channel +1
NVD
CVSS 3.1
7.8
EPSS
0.2%
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.

Buffer Overflow Heap 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.

Authentication Bypass Memory Corruption 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.

Buffer Overflow Heap 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.

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

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

Denial Of Service Use After Free Memory Corruption Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.1%
CVE-2025-48812 MEDIUM PATCH This Month

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

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

Windows RCE Use After Free Microsoft 365 Apps +4
NVD Exploit-DB
CVSS 3.1
7.8
EPSS
0.5%
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.

Authentication Bypass Memory Corruption Microsoft 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.

Buffer Overflow Information Disclosure Microsoft 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.

Authentication Bypass Microsoft 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.

Denial Of Service Use After Free Memory Corruption Microsoft 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.

Buffer Overflow Heap Overflow Microsoft 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.

Authentication Bypass Memory Corruption Microsoft 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.

Buffer Overflow Heap Overflow Microsoft 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.

Denial Of Service Use After Free Memory Corruption Microsoft 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.

Denial Of Service Use After Free Memory Corruption Microsoft 365 Apps +4
NVD Exploit-DB
CVSS 3.1
7.8
EPSS
1.2%
CVE-2025-27746 HIGH This Week

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.

Denial Of Service Use After Free Memory Corruption Microsoft 365 Apps +4
NVD
CVSS 3.1
7.8
EPSS
0.7%
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.

Buffer Overflow Information Disclosure Microsoft 365 Apps Excel +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.

RCE Use After Free Memory Corruption Microsoft 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.

RCE Buffer Overflow Heap Overflow Microsoft 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.

RCE Use After Free Memory Corruption Microsoft 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.

RCE Use After Free Memory Corruption Microsoft 365 Apps +4
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.

RCE Microsoft 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.

RCE Use After Free Memory Corruption Microsoft 365 Apps +4
NVD
CVSS 3.1
8.4
EPSS
0.6%
CVE-2025-21354 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.

RCE Microsoft 365 Apps Office Office Long Term Servicing Channel +1
NVD
CVSS 3.1
8.4
EPSS
1.5%
EPSS 0% CVSS 7.8
HIGH PATCH 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.

Authentication Bypass Microsoft 365 Apps +4
NVD VulDB
EPSS 0% CVSS 8.4
HIGH PATCH 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.

Buffer Overflow Information Disclosure Microsoft +5
NVD VulDB
EPSS 0% CVSS 7.8
HIGH PATCH 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.

Buffer Overflow Heap Overflow Microsoft +5
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

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

Denial Of Service Use After Free Memory Corruption +6
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH 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 365 Apps Excel +3
NVD
EPSS 0% CVSS 7.8
HIGH PATCH 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.

Buffer Overflow Heap Overflow Microsoft +5
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH 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 365 Apps Excel +3
NVD
EPSS 0% CVSS 7.8
HIGH PATCH 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.

Integer Overflow Microsoft 365 Apps +4
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

Arbitrary code execution in Microsoft Excel through unsafe pointer handling enables local attackers to achieve full system compromise without requiring elevated privileges. This vulnerability affects Microsoft 365 Apps, Office, Office Online Server, and Office Long Term Servicing Channel across multiple versions. No patch is currently available, leaving affected systems vulnerable to exploitation via maliciously crafted spreadsheets.

Microsoft 365 Apps Office +2
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

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

Use After Free Microsoft 365 Apps +4
NVD
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.

Denial Of Service Use After Free Memory Corruption +6
NVD
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 Information Disclosure Microsoft +5
NVD
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 Heap Overflow Microsoft +5
NVD
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.

Authentication Bypass Microsoft 365 Apps +4
NVD
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 Information Disclosure Microsoft +5
NVD
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 Information Disclosure Microsoft +5
NVD
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.

Denial Of Service Use After Free Memory Corruption +6
NVD
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.

Denial Of Service Use After Free Memory Corruption +6
NVD
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 Information Disclosure Microsoft +5
NVD
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 Heap Overflow Microsoft +5
NVD
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 Information Disclosure Microsoft +5
NVD
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.

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

Use of uninitialized resource 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
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 Heap Overflow Microsoft +5
NVD
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.

Authentication Bypass Memory Corruption Microsoft +5
NVD
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 Heap Overflow Microsoft +5
NVD
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.

Denial Of Service Use After Free Memory Corruption +6
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

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

Denial Of Service Use After Free Memory Corruption +6
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

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

Buffer Overflow Information Disclosure Microsoft +5
NVD
EPSS 0% CVSS 7.8
HIGH POC PATCH 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.

Windows RCE Use After Free +6
NVD Exploit-DB
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.

Authentication Bypass Memory Corruption Microsoft +5
NVD
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.

Buffer Overflow Information Disclosure Microsoft +5
NVD
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.

Authentication Bypass Microsoft 365 Apps +4
NVD
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.

Denial Of Service Use After Free Memory Corruption +6
NVD
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.

Buffer Overflow Heap Overflow Microsoft +5
NVD
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.

Authentication Bypass Memory Corruption Microsoft +5
NVD
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.

Buffer Overflow Heap Overflow Microsoft +5
NVD
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.

Denial Of Service Use After Free Memory Corruption +6
NVD
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.

Denial Of Service Use After Free Memory Corruption +6
NVD Exploit-DB
EPSS 1% CVSS 7.8
HIGH This Week

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.

Denial Of Service Use After Free Memory Corruption +6
NVD
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.

Buffer Overflow Information Disclosure Microsoft +7
NVD
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.

RCE Use After Free Memory Corruption +6
NVD
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.

RCE Buffer Overflow Heap Overflow +6
NVD
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.

RCE Use After Free Memory Corruption +6
NVD
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.

RCE Use After Free Memory Corruption +6
NVD
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.

RCE Microsoft 365 Apps +4
NVD
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.

RCE Use After Free Memory Corruption +6
NVD
EPSS 2% 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.

RCE Microsoft 365 Apps +3
NVD

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