CVE-2017-8766
CVE-2017-8766 is a high-severity vulnerability in Irfanview with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 6.8
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Irfanview
- Published:
- Last modified:
Description
IrfanView version 4.44 (32bit) allows remote attackers to execute code via a crafted .mov file, because of a "User Mode Write AV near NULL" issue.
Frequently asked questions
- What is CVE-2017-8766?
- IrfanView version 4.44 (32bit) allows remote attackers to execute code via a crafted .mov file, because of a "User Mode Write AV near NULL" issue.
- How severe is CVE-2017-8766?
- CVE-2017-8766 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2017-8766 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-8766?
- CVE-2017-8766 affects Irfanview. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-8766?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-8766 published?
- CVE-2017-8766 was published on 2017-07-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:irfanview:irfanview:4.44:*:*:*:*:*:x86:*
More vulnerabilities in Irfanview
- CVE-2007-1867 — Critical (CVSS 10.0): Buffer overflow in IrfanView 3.99 allows remote attackers to execute arbitrary code via a crafted animated cursor (ANI)…
- CVE-2008-0493 — Critical (CVSS 9.3): fpx.dll 3.9.8.0 in the FlashPix plugin for IrfanView 4.10 allows remote attackers to execute arbitrary code via a…
- CVE-2007-1948 — Critical (CVSS 9.3): Buffer overflow in IrfanView 3.99 allows context-dependent attackers to cause a denial of service and possibly execute…
- CVE-2020-13905 — High (CVSS 8.8): IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!GetPlugInInfo+0x0000000000038ed4.
- CVE-2017-2813 — High (CVSS 8.8): An exploitable integer overflow vulnerability exists in the JPEG 2000 parser functionality of IrfanView 4.44. A…
- CVE-2007-2363 — High (CVSS 8.5): Buffer overflow in IrfanView 4.00 and earlier allows user-assisted remote attackers to execute arbitrary code via a…
All CVEs affecting Irfanview →
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- CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
- CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.