7-Zip vulnerabilities1 known to be exploited.

Vendor1 known exploited
The short answer

7-Zip has 22 published vulnerabilities across 3 products in our catalogue. 1 of them is on the list of flaws known to be exploited, so criminals are using them now. The most affected product is 7-Zip, with 19. If you run 7-Zip software, patch the exploited flaws first.

See the exploited flaws

The most recent 7-Zip flaw added to the known-exploited list is CVE-2025-0411, on 6 February 2025. We keep watching the known-exploited list.

Products

Which 7-Zip products have the most vulnerabilities?

7-Zip leads with 19 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

  1. 7-Zip19
  2. P7zip5
  3. 7zip0
Published vulnerabilities
Known exploited

Which 7-Zip vulnerabilities are being exploited?

1 flaw is on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.

  1. 7.0
    CVE-2025-0411HighKnown exploited
    7-Zip Mark of the Web Bypass Vulnerability

    7-Zip contains a protection mechanism failure vulnerability that allows remote attackers to bypass the Mark-of-the-Web security feature to execute arbitrary code in the context of the current user.

    Chance of use67%Known exploited since6 Feb 2025
Exploit likelihood

Which 7-Zip flaws are most likely to be used?

Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.

50% or more10% to 49%Under 10%
  1. 67%
    CVE-2025-0411HighKnown exploited

    7-Zip Mark-of-the-Web Bypass Vulnerability.

    CVSS7.0Published25 Jan 2025
  2. 54%

    Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.

    CVSS7.8Published3 Nov 2023
  3. 22%

    7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability.

    CVSS7.8Published22 Nov 2024
  4. 15%

    Heap-based buffer overflow in the NArchive::NHfs::CHandler::ExtractZlibFile method in 7zip before 16.00 and p7zip allows remote attackers to execute arbitrary code via a crafted HFS+ image.

    CVSS7.8Published13 Dec 2016
  5. 9.8%

    The CInArchive::ReadFileItem method in Archive/Udf/UdfIn.cpp in 7zip 9.20 and 15.05 beta and p7zip allows remote attackers to cause a denial of service (out-of-bounds read) or execute arbitrary code via the...

    CVSS8.8Published7 Jun 2016
  6. 5.6%

    Stack consumption vulnerability in AkkyWareHOUSE 7-zip32.dll before 4.42.00.04, as derived from Igor Pavlov 7-Zip before 4.53 beta, allows user-assisted remote attackers to execute arbitrary code via a long filename...

    CVSS6.8Published5 Sep 2007
  7. 5.0%

    Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentially execute...

    CVSS7.8Published30 Jan 2018
  8. 4.5%

    Incorrect initialization logic of RAR decoder objects in 7-Zip 18.03 and before can lead to usage of uninitialized memory, allowing remote attackers to cause a denial of service (segmentation fault) or execute...

    CVSS7.8Published2 May 2018
  9. 3.3%

    p7zip 9.20.1 allows remote attackers to write to arbitrary files via a symlink attack in an archive.

    CVSS5.8Published21 Jan 2015
Every product

All 7-Zip products we track.

3 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

EdgeProtect

Running 7-Zip? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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Our catalogue lists 22 published vulnerabilities across 3 products and 153 versions from 7-Zip. The most recent 7-Zip flaw added to the known-exploited list is CVE-2025-0411, on 6 February 2025.

1 7-Zip vulnerability is on the list of flaws known to be exploited. The most recently added is CVE-2025-0411. The full list is on this page.

7-Zip, with 19 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a EdgeProtect account and track the 7-Zip products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.