How severe is CVE-2016-7804?

CVE-2016-7804 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-2016-7804 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-2016-7804?

CVE-2016-7804 affects 7-zip. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-7804?

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-2016-7804 published?

CVE-2016-7804 was published on 2017-05-22 and last updated on 2026-06-17.

CVE-2016-7804

CVE-2016-7804 is a high-severity vulnerability in 7-zip 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-426.

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-426
Affected product: 7-zip
Published: 2017-05-22
Last modified: 2026-06-17

Description

Untrusted search path vulnerability in 7 Zip for Windows 16.02 and earlier allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.

Frequently asked questions

What is CVE-2016-7804?: Untrusted search path vulnerability in 7 Zip for Windows 16.02 and earlier allows remote attackers to gain privileges via a Trojan horse DLL in an unspecified directory.
How severe is CVE-2016-7804?: CVE-2016-7804 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-2016-7804 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-2016-7804?: CVE-2016-7804 affects 7-zip. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-7804?: 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-2016-7804 published?: CVE-2016-7804 was published on 2017-05-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:7-zip:7-zip:*:*:*:*:*:windows:*:*

More vulnerabilities in 7-zip

CVE-2008-6536 — Critical (CVSS 10.0): Unspecified vulnerability in 7-zip before 4.5.7 has unknown impact and remote attack vectors, as demonstrated by the…
CVE-2026-48095 — High (CVSS 8.8): 7-Zip is a file archiver with a high compression ratio. Versions 26.00 and prior contain a heap buffer overflow…
CVE-2018-10172 — High (CVSS 8.8): 7-Zip through 18.01 on Windows implements the "Large memory pages" option by calling the LsaAddAccountRights function…
CVE-2016-2335 — High (CVSS 8.8): The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote…
CVE-2025-11002 — High (CVSS 7.8): 7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote…
CVE-2025-11001 — High (CVSS 7.8): 7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote…

All CVEs affecting 7-zip →

Other CWE-426 (Untrusted Search Path) vulnerabilities

CVE-2026-45772 — Critical (CVSS 9.8): Turborepo is a high-performance build system for JavaScript and TypeScript codebases. From 1.1.0 to before 2.9.14,…
CVE-2025-26155 — Critical (CVSS 9.8): NCP Secure Enterprise Client 13.18 and NCP Secure Entry Windows Client 13.19 have an Untrusted Search Path…
CVE-2024-53866 — Critical (CVSS 9.8): The package manager pnpm prior to version 9.15.0 seems to mishandle overrides and global cache: Overrides from one…
CVE-2024-38462 — Critical (CVSS 9.8): iRODS before 4.3.2 provides an msiSendMail function with a problematic dependency on the mail binary, such as in the…
CVE-2023-30330 — Critical (CVSS 9.8): SoftExpert (SE) Excellence Suite 2.x versions before 2.1.3 is vulnerable to Local File Inclusion in the function…
CVE-2022-24826 — Critical (CVSS 9.8): On Windows, if Git LFS operates on a malicious repository with a `..exe` file as well as a file named `git.exe`, and…

Browse all CWE-426 (Untrusted Search Path) vulnerabilities →