Common Weakness Enumeration

CWE-191

Allowed

Integer Underflow (Wrap or Wraparound)

Abstraction: Base · Status: Draft

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

879 vulnerabilities reference this CWE, most recent first.

CVE-2026-97746 (GCVE-0-2026-97746)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-16 23:25
VLAI
Title
Microsoft Office Excel Remote Code Execution Vulnerability
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:35 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
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.
Microsoft Office Online Server Affected: 16.0.0.0 , < 16.0.10417.20228 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-97739 (GCVE-0-2026-97739)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:00 – Updated: 2026-10-16 23:21
VLAI
Title
Microsoft Office Excel Remote Code Execution Vulnerability
Summary
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:35 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
  • 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.
Microsoft Office Online Server Affected: 16.0.0.0 , < 16.0.10417.20228 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-97004 (GCVE-0-2026-97004)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-16 23:25
VLAI
Title
Microsoft Office Excel Remote Code Execution Vulnerability
Summary
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:37 UTC
CWE
  • CWE-122 - Heap-based Buffer Overflow
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
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.
Microsoft Office Online Server Affected: 16.0.0.0 , < 16.0.10417.20228 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-96925 (GCVE-0-2026-96925)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-16 23:25
VLAI
Title
Windows NTFS Information Disclosure Vulnerability
Summary
Integer underflow (wrap or wraparound) in Windows NTFS allows an authorized attacker to disclose information locally.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:40 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
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 Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7807 (custom)
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Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7807 (custom)
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Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9711 (custom)
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Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9711 (custom)
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Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.3231 (custom)
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Microsoft Windows 11 Version 26H2 Affected: 10.0.26300.0 , < 10.0.26300.9711 (custom)
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Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
Create a notification for this product.
Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5761 (custom)
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Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
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Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-96844 (GCVE-0-2026-96844)

Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-16 23:25
VLAI
Title
Microsoft Bluetooth Driver Elevation of Privilege Vulnerability
Summary
Integer underflow (wrap or wraparound) in Microsoft Bluetooth Driver allows an authorized attacker to elevate privileges over an adjacent network.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 00:00 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
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 Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.7807 (custom)
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Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.7807 (custom)
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Microsoft Windows 11 version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.7652 (custom)
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Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.9711 (custom)
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Microsoft Windows 11 Version 25H2 Affected: 10.0.26200.0 , < 10.0.26200.9711 (custom)
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Microsoft Windows 11 version 26H1 Affected: 10.0.28000.0 , < 10.0.28000.3231 (custom)
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Microsoft Windows 11 Version 26H2 Affected: 10.0.26300.0 , < 10.0.26300.9711 (custom)
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Microsoft Windows Server 2012 Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 (Server Core installation) Affected: 6.2.9200.0 , < 6.2.9200.26434 (custom)
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Microsoft Windows Server 2012 R2 Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2012 R2 (Server Core installation) Affected: 6.3.9600.0 , < 6.3.9600.23470 (custom)
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Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.9612 (custom)
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Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.9376 (custom)
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Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.5761 (custom)
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Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
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Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.33650 (custom)
Create a notification for this product.
Date Public
2026-10-13 14:00
Show details on NVD website

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CVE-2026-95958 (GCVE-0-2026-95958)

Vulnerability from cvelistv5 – Published: 2026-09-23 02:45 – Updated: 2026-09-23 17:49 X_Open Source
VLAI
Title
JusticeRage Manalyze PE Parser pe.cpp _parse_relocations integer underflow
Summary
A security flaw has been discovered in JusticeRage Manalyze 1.0.0. Impacted is the function PE::_parse_relocations of the file manape/pe.cpp of the component PE Parser. Performing a manipulation of the argument BlockSize results in integer underflow. The attack requires a local approach. The patch is named c372b6bbca9d8c63812be50596fefa4a79c65fd0. It is recommended to apply a patch to fix this issue.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-23 17:49 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3889 records in the last 180 days details
References
Impacted products
Vendor Product Version
JusticeRage Manalyze Affected: 1.0.0
    cpe:2.3:a:justicerage:manalyze:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-94090 (GCVE-0-2026-94090)

Vulnerability from cvelistv5 – Published: 2026-09-20 22:00 – Updated: 2026-09-21 19:45 X_Open Source
VLAI
Title
JusticeRage Manalyze PE Parser pe.cpp _parse_debug integer underflow
Summary
A security flaw has been discovered in JusticeRage Manalyze 1.0.0. The affected element is the function PE::_parse_debug of the file manape/pe.cpp of the component PE Parser. The manipulation of the argument misc.Length results in integer underflow. The attack may be performed from remote. The patch is identified as 3e299685759f4f767088871de58c5d07f98ee382. A patch should be applied to remediate this issue.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-21 19:45 UTC
CWE
Assigner
VulDB CNA under the mitre root
CNA scorecard B 82/100 over 3889 records in the last 180 days details
References
Impacted products
Vendor Product Version
JusticeRage Manalyze Affected: 1.0.0
    cpe:2.3:a:justicerage:manalyze:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-93599 (GCVE-0-2026-93599)

Vulnerability from cvelistv5 – Published: 2026-09-18 13:20 – Updated: 2026-09-18 14:15
VLAI
Title
rustls-webpki before 0.103.13 Panic via empty BIT STRING
Summary
rustls-webpki through 0.103.12 (and 0.104.0-alpha releases before 0.104.0-alpha.7) contains a reachable panic in bit_string_flags() in src/der.rs. The input guard fails to reject a named-bit BIT STRING whose content is exactly [0x00] (zero padding bits and no data bytes), so raw_bits.len() - 1 underflows on the empty slice and the subsequent index operation panics (subtract-with-overflow in debug, index-out-of-bounds in release). The condition is reachable through the public API BorrowedCertRevocationList::from_der() when a CRL contains an issuingDistributionPoint extension with such an onlySomeReasons value. Exploitation requires an application that explicitly opts in to CRL revocation checking by passing RevocationOptions to verify_for_usage() and that parses CRL bytes obtained from a source the attacker can influence; the default rustls configuration, which does not use RevocationOptions, is unaffected. A crafted CRL causes a denial of service via the panic. Fixed in 0.103.13 and 0.104.0-alpha.7.
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 14:04 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6463 records in the last 180 days details
References
Impacted products
Vendor Product Version
rustls webpki Affected: 0 , < 0.103.13 (semver)
Affected: 0.104.0-alpha.1 , < 0.104.0-alpha.7 (semver)
Create a notification for this product.
Date Public
2026-04-21 00:00
Credits
Show details on NVD website

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CVE-2026-93395 (GCVE-0-2026-93395)

Vulnerability from cvelistv5 – Published: 2026-09-17 20:34 – Updated: 2026-09-18 14:31
VLAI
Title
Integer Underflow → Heap Out-of-Bounds Read in `bson_new_from_buffer()
Summary
A missing lower-bound validation in the bson_new_from_buffer() function of libbson allows an integer underflow when processing BSON data with a zero-length prefix. The function reads a 32-bit document length from the input buffer but does not verify that the value is at least 5 (the minimum valid BSON document size) before using it in an array index calculation. When the length field is zero, the expression used to check the document's null terminator wraps to UINT32_MAX, causing a heap out-of-bounds read that crashes the process. An unauthorized party who can supply crafted BSON input to an application using this API can cause a denial of service.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 14:27 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
mongodb CNA under the mitre root
CNA scorecard C 70/100 over 204 records in the last 180 days details
References
Impacted products
Vendor Product Version
MongoDB Inc. C Driver Affected: 2.0.0 , < 2.3.1 (semver)
Create a notification for this product.
Show details on NVD website

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CVE-2026-91948 (GCVE-0-2026-91948)

Vulnerability from cvelistv5 – Published: 2026-09-15 15:18 – Updated: 2026-09-17 11:59
VLAI
Title
FreeRDP before 3.31.0 Out-of-bounds Write via SHOW_PROTOCOL
Summary
FreeRDP versions before 3.31.0 contain an out-of-bounds write vulnerability in server-side static virtual channel handling when CHANNEL_OPTION_SHOW_PROTOCOL is enabled. Authenticated clients can queue oversized channel messages that cause buffer underflow and corrupt heap memory including live pointers, potentially enabling code execution.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-16 03:56 UTC
CWE
  • CWE-191 - Integer Underflow (Wrap or Wraparound)
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6463 records in the last 180 days details
Impacted products
Vendor Product Version
FreeRDP FreeRDP Affected: 3.28.0 , < 3.31.0 (semver)
Unaffected: 3.31.0 (semver)
    cpe:2.3:a:freerdp:freerdp:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-09-01 00:00
Credits
Show details on NVD website

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No mitigation information available for this CWE.

No CAPEC attack patterns related to this CWE.