PT-2026-58544

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An integer underflow wrap or wraparound occurs when an arithmetic operation results in a value smaller than the minimum representable value for the data type, causing it to wra...

CVE-2026-48298: Integer Underflow (Wrap or Wraparound)

CAI Content Credentials is affected by an Integer Underflow Wrap or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not...

CVE-2026-50300: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Windows Kernel allows an authorized attacker to disclose information locally...

CVE-2026-50308: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Windows NTFS allows an unauthorized attacker to execute code locally...

PT-2026-58188

Name of the Vulnerable Software and Affected Versions Windows Kernel affected versions not specified Windows Desktop Window Manager affected versions not specified Description An integer underflow wrap or wraparound in the Windows Kernel allows an authorized attacker to disclose information...

PT-2026-58190

Name of the Vulnerable Software and Affected Versions Windows NTFS affected versions not specified Description An integer underflow wrap or wraparound occurs in the Windows NTFS file system. This issue allows an unauthorized attacker to execute code locally by inducing the system to process a...

PT-2026-58834

Name of the Vulnerable Software and Affected Versions CAI Content Credentials affected versions not specified Description An Integer Underflow Wrap or Wraparound issue exists, which occurs when an arithmetic operation results in a value smaller than the minimum representable value for the data...

CVE-2026-49790: Integer Underflow (Wrap or Wraparound)

Windows Universal Disk Format File System Driver UDFS Elevation of Privilege Vulnerability...

CVE-2026-55039: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-55011: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Microsoft Defender allows an unauthorized attacker to execute code locally...

CVE-2026-49181: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Windows DHCP Client allows an unauthorized attacker to elevate privileges over a network...

PT-2026-58154

Integer underflow wrap or wraparound in Windows DHCP Client allows an unauthorized attacker to elevate privileges over a network...

CVE-2026-48296: Integer Underflow (Wrap or Wraparound)

CAI Content Credentials is affected by an Integer Underflow Wrap or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a denial-of-service condition. Exploitation of this issue does not...

CVE-2026-54982: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Reliable Multicast Transport Driver RMCAST allows an unauthorized attacker to execute code over an adjacent network...

CVE-2026-51540

OpENer 2.3.0 master branch up to commit 76b95cf is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages SendUnitData...

OpenEXR has heap-buffer-overflow via signed integer underflow in ImfContextInit.cpp

SummaryA heap-buffer-overflow OOB read occurs in the istreamnonparallelread function in ImfContextInit.cpp when parsing a malformed EXR file through a memory-mapped IStream. A signed integer subtraction produces a negative value that is implicitly converted to sizet, resulting in a massive length...

Security update for libslirp

This update for libslirp fixes the following issues: CVE-2026-9539: crafted TCP segment with manipulated URG flags and urgent pointers can cause an integer underflow and host-heap memory leak bsc1268903. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods...

CVE-2026-51540

OpENer 2.3.0 master branch up to commit 76b95cf is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages SendUnitData...

CVE-2026-51540: Integer Underflow (Wrap or Wraparound)

OpENer 2.3.0 master branch up to commit 76b95cf is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages SendUnitData...

PT-2026-57911

Name of the Vulnerable Software and Affected Versions OpENer version 2.3.0 master branch up to commit 76b95cf Description A severe memory corruption issue exists due to an integer underflow during the processing of connected explicit messages within the SendUnitData function. An integer underflow...