CVE-2023-28311

HIGH

Microsoft 365 Apps and Office - Remote Code Execution via Heap-based Buffer Overflow

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-28311. PoCs published by nu11secur1ty.

AI-analyzed exploit summary The provided content lacks functional exploit code and instead includes a vague VBS script snippet that downloads and executes a payload from an external URL. The description is overly generic and relies on social engineering tactics without technical depth.

Description

Microsoft Word Remote Code Execution Vulnerability

Exploits (1)

exploitdb SUSPICIOUS
by nu11secur1ty · textremotemultiple
https://www.exploit-db.com/exploits/51376

The provided content lacks functional exploit code and instead includes a vague VBS script snippet that downloads and executes a payload from an external URL. The description is overly generic and relies on social engineering tactics without technical depth.

Classification
Suspicious 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: Microsoft Word 16.72.23040900
Auth required
Prerequisites: Victim interaction to open a malicious file · External server hosting payload
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 7.8
EPSS 0.0272
EPSS Percentile 84.0%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-122
Status published
Products (3)
microsoft/365_apps
microsoft/office 2019
microsoft/office_long_term_servicing_channel 2021
Published Apr 11, 2023
Tracked Since Feb 18, 2026