CVE-2026-121517 in IrfanView

Prediction

by VulDB Data Team • 11/03/2026

A vulnerability was detected in <a href="/product/irfanview">IrfanView 4.76.0.0</a> on Win64. Affected by this vulnerability is an unknown functionality of the component <em>TIFF Wang Annotation Handler</em>. Performing a manipulation results in heap-based buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used. It is recommended to apply a patch to fix this issue. The vendor confirms: &quot;[T]he TIF-Annotations option is OFF by default. Means, normal users are not affected ... the danger level for this is low&quot;.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

• Responsible: VulDB
• Moderation: accepted
• Entry: VDB-430288
• CPE: VulDB
• CWE: CWE-122 (confirmed)
• Exploit: Download
• CVSS: 5.0 (VulDB)
• EPSS: 0.00000
• KEV: no
• Activities: low
• Sector: Agriculture, Chemical, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-121517
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-121517
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-121517/