Is CVE-2026-12805 actively exploited?

No active exploitation of CVE-2026-12805 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-12805 be exploited remotely?

Yes. CVE-2026-12805 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-12805?

CVE-2026-12805 has a CVSS score of 6.3 (MEDIUM).

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MEDIUM

CVE-2026-12805

CWE-119Published: June 21, 2026· Updated: Jun 23, 2026

6.3

CVSS v3.1

EPSS:0.28%probability of exploitation in 30 daysPercentile:19.5th

Official Description

A flaw has been found in OFFIS DCMTK up to 3.7.0. The affected element is the function XMLNode::parseFile in the library ofstd/libsrc/ofxml.cc. Executing a manipulation can lead to heap-based buffer overflow. The attack may be performed from remote. The exploit has been published and may be used. This patch is called 1d4b3815c0987840a983160bfc671fef63a3105b. It is best practice to apply a patch to resolve this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

NVD Source

Technical Analysis

CVE-2026-12805 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.