EIP-2026-115628

PRE-CVE

Microsoft ActiveSync 3.5 - Null Pointer Dereference Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-115628. PoCs published by Andy Davis.

AI-analyzed exploit summary This exploit targets a denial-of-service vulnerability in the ActiveSync wcescomm service by sending a malformed packet to port 5679. The crash occurs due to improper handling of the packet header, specifically when the initial 4 bytes are removed.

Description

Microsoft ActiveSync 3.5 - Null Pointer Dereference Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by Andy Davis · cdoswindows
https://www.exploit-db.com/exploits/22390

This exploit targets a denial-of-service vulnerability in the ActiveSync wcescomm service by sending a malformed packet to port 5679. The crash occurs due to improper handling of the packet header, specifically when the initial 4 bytes are removed.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Microsoft ActiveSync wcescomm service (version unspecified)
No auth needed
Prerequisites: Network access to the target device · ActiveSync wcescomm service running on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026