CVE-2023-27469

File deletion and service interruption via unterminated path

Published Jun 30, 2023 · Updated Nov 26, 2024

Arbitrary file deletion in Malwarebytes Anti-Exploit 4.4.0.220 allows local users to delete files or interrupt service via crafted ALPC messages. The ALPC handler processes a FullFileNamePath field without a terminating null character, causing the path to extend beyond its intended boundary. Low-privilege local access is required, and successful exploitation can remove attacker-chosen files or stop the protected service.

CVSS severity7.1
High
EPSS probability0.40%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Arbitrary file deletion in Malwarebytes Anti-Exploit 4.4.0.220 allows local users to delete files or interrupt service via crafted ALPC messages. The ALPC handler processes a FullFileNamePath field without a terminating null character, causing the path to extend beyond its intended boundary. Low-privilege local access is required, and successful exploitation can remove attacker-chosen files or stop the protected service.

The record

CVE
CVE-2023-27469
Published
Jun 30, 2023
Updated
Nov 26, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-59, T1485
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Nov 26, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.1NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-59Improper Link Resolution Before File Access ('Link Following')
T1485Data Destruction

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo