CVE-2023-26974

Name: CVE-2023-26974
Creator: NVD / NIST
Published: 2023-04-04T16:15:07.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.55%

Last modified Jun 17, 2026

CVE-2023-26974 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Irfanview v4.62 allows a user-mode write access violation via a crafted JPEG 2000 file starting at JPEG2000+0x0000000000001bf0.. EPSS estimates a 0.55% chance of exploitation in the next 30 days.

Description

Irfanview v4.62 allows a user-mode write access violation via a crafted JPEG 2000 file starting at JPEG2000+0x0000000000001bf0.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

0.55%

41.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Irfanview	Irfanview	4.62

References

https://github.com/overXsky/IrfanviewPocExploit, Third Party Advisory
https://github.com/overXsky/IrfanviewPocExploit, Third Party Advisory

Timeline

Published: Apr 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26974?

Irfanview v4.62 allows a user-mode write access violation via a crafted JPEG 2000 file starting at JPEG2000+0x0000000000001bf0.

How severe is CVE-2023-26974?

CVE-2023-26974 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.55% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26974?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26974?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST