CVE-2022-31902Public exploit

Application crash via unhandled Finder allocation failure

Published Feb 1, 2023 · Updated Jul 9, 2026

Denial of service in Finder::add in Notepad++ 8.4.9 and earlier allows local users to crash the application through a crafted text file. When Find All processes the crafted document, Finder::add appends result records until an oversized allocation fails with an unhandled bad_alloc exception. A local user must open the file in the 32-bit build and invoke Find All in the current or all open documents; the demonstrated consequence is an application crash.

CVSS severity5.5
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in Finder::add in Notepad++ 8.4.9 and earlier allows local users to crash the application through a crafted text file. When Find All processes the crafted document, Finder::add appends result records until an oversized allocation fails with an unhandled bad_alloc exception. A local user must open the file in the 32-bit build and invoke Find All in the current or all open documents; the demonstrated consequence is an application crash.

The record

CVE
CVE-2022-31902
Published
Feb 1, 2023
Updated
Jul 9, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 1, 2023CVE publishedPublication date reported by the CVE source.
  2. Jul 9, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5NVDCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
5.5CISA ADP VulnrichmentCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1204.002User Execution: Malicious File

Public exploit references

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

Technologies

Your stack

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Your stack

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