PT-2026-47910 · Microsoft · Windows

Hareh4Ru + 1 · CVE-2026-42985 · Published 2026-06-09 · Updated 2026-07-03

Positive Technologies (AI Summary)

CVSS v2.0

10

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Windows (affected versions not specified)

Description A heap-based buffer overflow in the Remote Desktop Client allows an unauthorized attacker to execute code over a network. A heap-based buffer overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, potentially corrupting adjacent memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Use After Free

Memory Corruption

Weakness Enumeration

CWE-416

CWE-787

Related Identifiers

BDU:2026-08107

CVE-2026-42985

Affected Products

Windows

References · 10

• https://bdu.fstec.ru/vul/2026-08107 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42985 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-42985 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-42985 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/733485 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-42985 · Vendor Advisory
• https://twitter.com/mwbengtsson/status/2064589823269036166 · Twitter Post
• https://t.me/avleonovcom/1664 · Telegram Post
• https://twitter.com/integ_sec/status/2073067175812706779 · Twitter Post
• https://twitter.com/vuldb/status/2064404950646677966 · Twitter Post