CWE-191— Integer Underflow
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.— MITRE CWE catalog
678 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-191page 5 of 14
- CVE-2026-64909HIGHCVSS 7.8EG 7.82026-08-11
Integer underflow (wrap or wraparound) in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-62741HIGHCVSS 7.8EG 7.82026-08-11
Integer underflow (wrap or wraparound) in Windows HTTP.sys allows an authorized attacker to elevate privileges locally.
- CVE-2026-63515HIGHCVSS 7.8EG 7.82026-08-11
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally.
- CVE-2026-62696HIGHCVSS 7.8EG 7.82026-08-11
Integer underflow (wrap or wraparound) in Windows Program Compatibility Assistant Service allows an authorized attacker to elevate privileges locally.
- CVE-2026-43628HIGHCVSS 7.8EG 7.82026-08-06
llama.cpp builds b3978 through b9058 contain an integer underflow and out-of-bounds read vulnerability in the DRY sampler that allows unauthenticated attackers to trigger a heap buffer underflow by sending a crafted HTTP request with dry_a…
- CVE-2026-64361HIGHCVSS 7.8EG 7.82026-07-25
In the Linux kernel, the following vulnerability has been resolved: hfs/hfsplus: fix u32 overflow in check_and_correct_requested_length check_and_correct_requested_length() compares (off + len) against node_size using u32 arithmetic. Wh…
- CVE-2026-65704HIGHCVSS 7.8EG 7.82026-07-23
FFmpeg through 8.1.2 contains an out-of-bounds write vulnerability that allows attackers to cause heap corruption by supplying a crafted ffconcat file processed with the -safe 0 flag. The TY demuxer's demux_audio() function decrements pack…
- CVE-2026-64009HIGHCVSS 7.8EG 7.82026-07-19
In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrm_state_mtu Leo Lin reported OOB write issue in esp component: xfrm_state_mtu() returns u32 but performs its arithmetic in unsigned …
- CVE-2026-55039HIGHCVSS 7.8EG 7.82026-07-14
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-50498HIGHCVSS 7.8EG 7.82026-07-14
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
- CVE-2026-50388HIGHCVSS 7.8EG 7.82026-07-14
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to execute code locally.
- CVE-2026-50308HIGHCVSS 7.8EG 7.82026-07-14
Integer underflow (wrap or wraparound) in Windows NTFS allows an unauthorized attacker to execute code locally.
- CVE-2026-49790HIGHCVSS 7.8EG 7.82026-07-14
Windows Universal Disk Format File System Driver (UDFS) Elevation of Privilege Vulnerability
- CVE-2026-55011HIGHCVSS 7.8EG 7.82026-07-14
Integer underflow (wrap or wraparound) in Microsoft Defender allows an unauthorized attacker to execute code locally.
- CVE-2026-53130HIGHCVSS 7.8EG 7.82026-06-24
In the Linux kernel, the following vulnerability has been resolved: fs/omfs: reject s_sys_blocksize smaller than OMFS_DIR_START omfs_fill_super() rejects oversized s_sys_blocksize values (> PAGE_SIZE), but it does not reject values small…
- CVE-2026-52919HIGHCVSS 7.8EG 7.82026-06-24
In the Linux kernel, the following vulnerability has been resolved: batman-adv: fix tp_meter counter underflow during shutdown batadv_tp_sender_shutdown() unconditionally decrements the "sending" atomic counter. If multiple paths (e.g. t…
- CVE-2026-42980HIGHCVSS 7.8EG 7.82026-06-09
Integer underflow (wrap or wraparound) in Windows NT OS Kernel allows an authorized attacker to elevate privileges locally.
- CVE-2026-45469HIGHCVSS 7.8EG 7.82026-06-09
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-46107HIGHCVSS 7.8EG 7.82026-05-28
In the Linux kernel, the following vulnerability has been resolved: dm-thin: fix metadata refcount underflow There's a bug in dm-thin in the function rebalance_children. If the internal btree node has one entry, the code tries to copy al…
- CVE-2026-25104HIGHCVSS 7.8EG 7.82026-05-26
A heap-based buffer overflow vulnerability exists in the LXF parsing functionality of MediaInfoLib (version(s): 26.01). A specially crafted .lxf file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger…
- CVE-2026-40397HIGHCVSS 7.8EG 7.82026-05-12
Heap-based buffer overflow in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.
- CVE-2026-31656HIGHCVSS 7.8EG 7.82026-04-24
In the Linux kernel, the following vulnerability has been resolved: drm/i915/gt: fix refcount underflow in intel_engine_park_heartbeat A use-after-free / refcount underflow is possible when the heartbeat worker and intel_engine_park_hear…
- CVE-2026-33999HIGHCVSS 7.8EG 7.82026-04-23
A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to …
- CVE-2026-27297HIGHCVSS 7.8EG 7.82026-04-14
Adobe Framemaker versions 2022.8 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user…
- CVE-2026-27296HIGHCVSS 7.8EG 7.82026-04-14
Adobe Framemaker versions 2022.8 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user…
- CVE-2026-27907HIGHCVSS 7.8EG 7.82026-04-14
Integer underflow (wrap or wraparound) in Windows Storage Spaces Controller allows an authorized attacker to elevate privileges locally.
- CVE-2026-3084HIGHCVSS 7.8EG 7.82026-03-16
GStreamer H.266 Codec Parser Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to e…
- CVE-2026-32775HIGHCVSS 7.8EG 7.82026-03-16
libexif through 0.6.25 has a flaw in decoding MakerNotes. If the exif_mnote_data_get_value function gets passed in a 0 size, the passed in-buffer would be overwritten due to an integer underflow.
- CVE-2026-20957HIGHCVSS 7.8EG 7.82026-01-13
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2025-61835HIGHCVSS 7.8EG 7.82025-11-11
Substance3D - Stager versions 3.1.5 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires u…
- CVE-2025-61836HIGHCVSS 7.8EG 7.82025-11-11
Illustrator on iPad versions 3.0.9 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires us…
- CVE-2025-61826HIGHCVSS 7.8EG 7.82025-11-11
Illustrator on iPad versions 3.0.9 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires us…
- CVE-2025-59242HIGHCVSS 7.8EG 7.82025-10-14
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2025-47130HIGHCVSS 7.8EG 7.82025-07-08
Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requi…
- CVE-2025-47128HIGHCVSS 7.8EG 7.82025-07-08
Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requi…
- CVE-2025-47097HIGHCVSS 7.8EG 7.82025-07-08
InCopy versions 20.3, 19.5.3 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user int…
- CVE-2025-49532HIGHCVSS 7.8EG 7.82025-07-08
Illustrator versions 28.7.6, 29.5.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires u…
- CVE-2025-47136HIGHCVSS 7.8EG 7.82025-07-08
InDesign Desktop versions 19.5.3 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user…
- CVE-2025-47996HIGHCVSS 7.8EG 7.82025-07-08
Integer underflow (wrap or wraparound) in Windows MBT Transport driver allows an authorized attacker to elevate privileges locally.
- CVE-2025-43555HIGHCVSS 7.8EG 7.82025-05-13
Animate versions 24.0.8, 23.0.11 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user…
- CVE-2025-43546HIGHCVSS 7.8EG 7.82025-05-13
Bridge versions 15.0.3, 14.1.6 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user i…
- CVE-2025-30324HIGHCVSS 7.8EG 7.82025-05-13
Photoshop Desktop versions 26.5, 25.12.2 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requi…
- CVE-2025-30296HIGHCVSS 7.8EG 7.82025-04-08
Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requi…
- CVE-2025-21160HIGHCVSS 7.8EG 7.82025-02-11
Illustrator versions 29.1, 28.7.3 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires use…
- CVE-2025-21156HIGHCVSS 7.8EG 7.82025-02-11
InCopy versions 20.0, 19.5.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user int…
- CVE-2025-21158HIGHCVSS 7.8EG 7.82025-02-11
InDesign Desktop versions ID20.0, ID19.5.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue req…
- CVE-2025-21135HIGHCVSS 7.8EG 7.82025-01-14
Animate versions 24.0.6, 23.0.9 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user …
- CVE-2025-21134HIGHCVSS 7.8EG 7.82025-01-14
Illustrator on iPad versions 3.0.7 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires us…
- CVE-2025-21133HIGHCVSS 7.8EG 7.82025-01-14
Illustrator on iPad versions 3.0.7 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires us…
- CVE-2025-21122HIGHCVSS 7.8EG 7.82025-01-14
Photoshop Desktop versions 25.12, 26.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue require…
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