PULSEUnderground Intel

LIVE23signals / 24h

FEED

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CVE WatchOct 29, 2026

CVE-2026-85897

Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

CVSS

8.8

High

EPSS

—

KEV

—

Exploit Today

—

0-100

Published: Oct 29, 2026 · Last modified: Oct 29, 2026 · CWE-122

EPSS · 30d

Not enough EPSS history yet.

Technical description

Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.

Official references

msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85897

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2026-961998.8 HIG

———Heap-based buffer overflow in Microsoft Edge (Chromium-based) allows an unauthorized attacker to execute code over a network.5h CVE-2026-961988.8 HIG

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———ImageMagick before 7.1.2-34 contains a heap-based buffer overflow in its -morph processing, where crafted images cause writes beyond the bounds of a heap buffer. An attacker can supply a crafted image that, when processed by a user with the -morph option, corrupts heap memory and crashes the application.5h CVE-2026-935365.3 MED

——0A use after free caused by missing lifecycle management of gesture sprites in GestureBuildSprite() in X.Org X Server before 21.1.25 and XWayland before 24.1.14 could be used by authenticated X clients to crash the X server or potentially execute code.6h CVE-2026-935237.8 HIG

——0A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.6h CVE-2026-1186116.8 MED

——0Alpine iLX-F511 Bluetooth OBEX Packet Handling Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows physically present attackers to execute arbitrary code on affected installations of Alpine iLX-F511 devices. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of Bluetooth OBEX packets. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-29012.6h