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Alertas de Seguridad de la Información

Vulnerabilidades explotadas activamente, incidentes y análisis relevantes para México y LATAM. Actualizado automáticamente desde fuentes oficiales.

48 vulnerabilidades en CISA KEV — explotación activa confirmada Ver todas →
Última alerta publicada ahora mismo
13,696
Total alertas
3097
Críticas
10327
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8
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1772
Esta semana
RSS
Alta × cwe-416 × Limpiar todo ×
F Alto vulnerabilidad
08/07/2026
[CVE-2026-57242] The application opens the PDF, and JavaScript modifies the form. However, the related objects on the…
The application opens the PDF, and JavaScript modifies the form. However, the related objects on the page lack complete lifecycle management and null value validation; when the page state changes, the application continuously dereferences invalid objects, eventually leading to a crash.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-57244] After JavaScript resetting the form, the synchronization process lacks re-entry protection and objec…
After JavaScript resetting the form, the synchronization process lacks re-entry protection and object lifecycle verification, resulting in the failure of the control pointer during the traversal process. After the pointer fails, it still continues to dereference, causing the application to crash.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-57245] When the application opens a PDF, traverses and builds the annotation elements related to hyperlinks…
When the application opens a PDF, traverses and builds the annotation elements related to hyperlinks, it fails to validate the abnormal annotation relationships and field combinations. This results in the internal objects entering an invalid state. Eventually, during the destruction phase, an invalid pointer write occurred, causing the application to crash.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-57247] The application re-enters the document structure via field processing and deletes the current page, …
The application re-enters the document structure via field processing and deletes the current page, and then continues using the field objects obtained before deletion, triggering an illegal read and crashing.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-57249] After the application opened the PDF file, the script first reset the annotation status, then trigge…
After the application opened the PDF file, the script first reset the annotation status, then triggered the reset form event by additional action. During the re-entry process, the application access invalid objects and crashed.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-57237] When the application opens a PDF and JavaScript modifies the properties of form fields, it causes th…
When the application opens a PDF and JavaScript modifies the properties of form fields, it causes the state of the underlying objects referenced by the program to become invalid. Eventually, it reads an illegal memory address, which leads to the crash of the application.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-57238] After the application opened the PDF, JavaScript deleted the form field object. Subsequently, it att…
After the application opened the PDF, JavaScript deleted the form field object. Subsequently, it attempted to access the invalid object, which caused the application to crash.
nvdaltovulnerabilidad CVSS 7.8 NVD

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F Alto vulnerabilidad
08/07/2026
[CVE-2026-57240] When the application opens a PDF file and JavaScript deletes the PDF fields, the subsequent logic st…
When the application opens a PDF file and JavaScript deletes the PDF fields, the subsequent logic still uses the old field pointers, resulting in invalid pointer references and causing the application to crash.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-13126] The embedded JavaScript in the PDF deleted the pages, making the object invalid. The application att…
The embedded JavaScript in the PDF deleted the pages, making the object invalid. The application attempted to perform a write operation on the invalid pop-up annotations, resulting in the program crashing.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-13127] The application opens the PDF file. JavaScript then rewrites the document to modify the page structu…
The application opens the PDF file. JavaScript then rewrites the document to modify the page structure, resulting in the invalidation of the page objects. However, the thumbnails still use the invalid page objects, ultimately causing the application to crash.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-13128] Embedding JavaScript within a PDF file will cause the page to be deleted. Subsequent scripts will co…
Embedding JavaScript within a PDF file will cause the page to be deleted. Subsequent scripts will continue to access the relevant properties of the document view, eventually leading to the crash of the application.
nvdaltovulnerabilidad CVSS 7.8 NVD
F Alto vulnerabilidad
08/07/2026
[CVE-2026-13129] When the application opens a PDF file, JavaScript uses the damaged field tree to trigger field trave…
When the application opens a PDF file, JavaScript uses the damaged field tree to trigger field traversal, resulting in the program holding an invalid form object when accessing the field property path. Eventually, the application crashes due to reading an invalid pointer.
nvdaltovulnerabilidad CVSS 7.8 NVD
X Alto vulnerabilidad
08/07/2026
[CVE-2026-56000] Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21…
Local attackers with a X connection able to provide GLX commit to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a Heap Use After Free, due to CommonMakeCurrent() pointing into potentially reallocated memory.
nvdaltovulnerabilidad CVSS 7.8 NVD
O Alto vulnerabilidad
08/07/2026
[CVE-2026-60002] ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key…
ssh in OpenSSH before 10.4 can have a use-after-free when a server changes its host key during a key re-exchange. (This outcome occurs only on the client side.)
nvdaltovulnerabilidad CVSS 7.7 NVD
M Alto vulnerabilidad
07/07/2026
[CVE-2026-42958] The application contains a use-after-free vulnerability that can be exploited to cause memory corrup…
The application contains a use-after-free vulnerability that can be exploited to cause memory corruption while parsing specially crafted files. This could allow an attacker to execute arbitrary code in the context of the current process.
nvdaltovulnerabilidad CVSS 7.8 NVD

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L Alto vulnerabilidad
04/07/2026
[CVE-2026-53359] In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use…
In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GFN") fixed a shadow paging mismatch between stored and computed GFNs; the bug could be triggered by changing a PDE mapping from outside the guest, and then deleting a memslot. Th…
nvdaltovulnerabilidad CVSS 8.8 NVD
M Alto vulnerabilidad
03/07/2026
[CVE-2026-58294] Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code ov…
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD
M Alto vulnerabilidad
03/07/2026
[CVE-2026-58287] Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code ov…
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.3 NVD
M Alto vulnerabilidad
03/07/2026
[CVE-2026-58288] Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code ov…
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 8.3 NVD
M Alto vulnerabilidad
03/07/2026
[CVE-2026-57992] Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code ov…
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.
nvdaltovulnerabilidad CVSS 7.5 NVD