Common Weakness Enumeration

CWE-122

Allowed

Heap-based Buffer Overflow

Abstraction: Variant · Status: Draft

API response cwe.mitre.org

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

6193 vulnerabilities reference this CWE, most recent first.

CVE-2026-106177 (GCVE-0-2026-106177)

Vulnerability from cvelistv5 – Published: 2026-10-08 15:32 – Updated: 2026-10-09 03:55
VLAI
Title
HP Sure Click Kernel Buffer Overflow
Summary
A kernel buffer overflow vulnerability in HP Sure Click versions prior to 4.4.33 may allow local privilege escalation or arbitrary code execution. HP has released version 4.4.33 to address this vulnerability.
Severity
6.4 (Medium)
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 00:00 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
hp CNA under the mitre root
CNA scorecard C 74/100 over 35 records in the last 180 days details
References
Impacted products
Credits
Julian Horoszkiewicz (Atos Threat Research Center)
Show details on NVD website
To clipboard 

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CVE-2026-105842 (GCVE-0-2026-105842)

Vulnerability from cvelistv5 – Published: 2026-10-06 13:35 – Updated: 2026-10-06 19:30
VLAI
Title
lrzsz before 0.13.0 Heap Buffer Overflow via lrz procheader() Pathname
Summary
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Severity
6.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N
6.4 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-06 19:25 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6503 records in the last 180 days details
References
Impacted products
Vendor Product Version
Uwe Ohse lrzsz Affected: 0 , < 0.13.0 (custom)
    cpe:2.3:a:lrzsz_project:lrzsz:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-30 00:00
Credits
Tristan Madani
Show details on NVD website
To clipboard 

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CVE-2026-105717 (GCVE-0-2026-105717)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office Access Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 22:09 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
  • CWE-20 - Improper Input Validation
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-105716 (GCVE-0-2026-105716)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office Access Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:11 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-105714 (GCVE-0-2026-105714)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office Access Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:11 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-105599 (GCVE-0-2026-105599)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office PowerPoint Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office PowerPoint allows an unauthorized attacker to execute code over a network.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:12 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office 365 for Mac Affected: 1.0.0 , < 16.114.26101123 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2021 Affected: 16.0.1 , < 16.114.26101123 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC for Mac 2024 Affected: 16.0.0 , < 16.114.26101123 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-105598 (GCVE-0-2026-105598)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office Access Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:12 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-105597 (GCVE-0-2026-105597)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office Access Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:12 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-105596 (GCVE-0-2026-105596)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office Access Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:12 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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CVE-2026-105593 (GCVE-0-2026-105593)

Vulnerability from cvelistv5 – Published: 2026-10-13 18:59 – Updated: 2026-10-19 23:41
VLAI
Title
Microsoft Office Access Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Access allows an unauthorized attacker to execute code over a network.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 21:12 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
Assigner
microsoft CNA under the mitre root
CNA scorecard B 82/100 over 3956 records in the last 180 days details
References
Impacted products
Vendor Product Version
Microsoft Microsoft 365 Apps for Enterprise Affected: 16.0.1 , < https://aka.ms/OfficeSecurityReleases (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2021 Affected: 16.0.1 , < 16.0.14334.20974 (custom)
Create a notification for this product.
Microsoft Microsoft Office LTSC 2024 Affected: 16.0.0 , < 16.0.17932.21056 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website
To clipboard 

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Mitigation

Pre-design: Use a language or compiler that performs automatic bounds checking.

Mitigation
Architecture and Design

Use an abstraction library to abstract away risky APIs. Not a complete solution.

Mitigation MIT-10
Operation Build and Compilation

Strategy: Environment Hardening

  • Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
  • D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-11
Operation Build and Compilation

Strategy: Environment Hardening

  • Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
  • Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
  • For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation
Implementation

Implement and perform bounds checking on input.

Mitigation
Implementation

Strategy: Libraries or Frameworks

Do not use dangerous functions such as gets. Look for their safe equivalent, which checks for the boundary.

Mitigation
Operation

Use OS-level preventative functionality. This is not a complete solution, but it provides some defense in depth.

CAPEC-92: Forced Integer Overflow

This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.

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