PULSEUnderground Intel

EN VIVO22señales / 24h

FEED

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CVE Watch16 oct 2026

CVE-2026-83889

Release of invalid pointer or reference in DNS Server allows an authorized attacker to execute code over a network.

CVSS

8.8

Alto

EPSS

0.9%

p59

KEV

—

Exploit Today

18

0-100

Publicado: 13 oct 2026 · Última mod.: 16 oct 2026 · CWE-763

EPSS · 30d

0.9%EPSS · 30 días0.9%

2026-10-142026-10-19

Descripción técnica

Release of invalid pointer or reference in DNS Server allows an authorized attacker to execute code over a network.

Referencias oficiales

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83889

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CVE-2026-112893—

——0Pillow is a Python imaging library. From 10.0.0 until 13.0.0, Pillow can free an invalid glyph pointer during FreeType rendering with an active stroker. If FT_Load_Glyph fails, cleanup may call FT_Done_Glyph on an uninitialized or stale glyph variable. An attacker can supply a malformed font as untrusted bytes to an application that draws text with a nonzero stroke width, forcing the glyph-load failure path. This can corrupt memory or crash the process. This issue is fixed in version 13.0.0.15h CVE-2026-689085.3 MED

——11libIEC61850 is an open-source implementation of IEC 61850 client and server protocols including MMS, GOOSE, Sampled Values, and R-Session. Prior to 1.6.2, Reporting_RCBWriteAccessHandler accepts an RptID longer than 129 bytes in the report-control-block write path. When GI later causes sendNextReportEntrySegment to serialize the report, the function wraps rptIdBuf[130] as a temporary MmsValue and passes it to MmsValue_setVisibleString. The setter's resize path frees the stack-backed buffer, allowing a remote client to trigger an invalid free and server crash by writing the oversized RptID and then generating a report. This issue is fixed in version 1.6.2.4d CVE-2026-970118.8 ALT

——16Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.5d CVE-2026-858507.8 ALT

——8Release of invalid pointer or reference in Windows Kernel allows an authorized attacker to elevate privileges locally.7d CVE-2026-853627.0 ALT

——5Release of invalid pointer or reference in Windows Management Instrumentation allows an authorized attacker to elevate privileges locally.4d CVE-2026-839087.0 ALT

——5Release of invalid pointer or reference in RPC Runtime allows an authorized attacker to elevate privileges locally.4d