# 7-Zip vulnerabilities

Source: https://junglewise.ai/threats/technologies/7-zip  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/7-zip.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 13 vulnerabilities in 7-Zip: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-14266, was published on 29 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 13 (1 critical, 1 exploited in the wild)

## About 7-Zip

File compression and archiving utility supporting the 7z format and multiple other archive types.

## Latest 7-Zip vulnerabilities

- [CVE-2026-14266: 7-Zip heap overflow in XZ decompression](https://junglewise.ai/threats/cve-2026-14266-7-zip-heap-overflow-in-xz-decompression) (high, CVSS 7, published 29 Jul 2026)
- [CVE-2026-58052: 7-Zip Mark-of-the-Web bypass in RAR5 extraction](https://junglewise.ai/threats/cve-2026-58052-7-zip-mark-of-the-web-bypass-in-rar5-extraction) (low, CVSS 3.3, published 28 Jun 2026)
- [CVE-2026-48112: 7-Zip heap out-of-bounds read in Ar and SquashFS handlers](https://junglewise.ai/threats/cve-2026-48112-7-zip-heap-out-of-bounds-read-in-ar-and-squashfs-handlers) (medium, CVSS 6.5, published 5 Jun 2026)
- [CVE-2026-48111: 7-Zip out-of-bounds read in UEFI firmware image parser](https://junglewise.ai/threats/cve-2026-48111-7-zip-out-of-bounds-read-in-uefi-firmware-image-parser) (medium, CVSS 4.3, published 5 Jun 2026)
- [CVE-2026-48104: 7-Zip uninitialized heap read in SquashFS handler](https://junglewise.ai/threats/cve-2026-48104-7-zip-uninitialized-heap-read-in-squashfs-handler) (medium, CVSS 4.2, published 5 Jun 2026)
- [CVE-2026-48103: 7-Zip heap out-of-bounds read in WIM archive handler](https://junglewise.ai/threats/cve-2026-48103-7-zip-heap-out-of-bounds-read-in-wim-archive-handler) (medium, CVSS 4.3, published 5 Jun 2026)
- [CVE-2026-48102: 7-Zip heap out-of-bounds read in UDF disc image handler](https://junglewise.ai/threats/cve-2026-48102-7-zip-heap-out-of-bounds-read-in-udf-disc-image-handler) (low, CVSS 3.1, published 5 Jun 2026)
- [CVE-2026-48101: 7-Zip uninitialized memory disclosure in UEFI capsule parser](https://junglewise.ai/threats/cve-2026-48101-7-zip-uninitialized-memory-disclosure-in-uefi-capsule-parser) (medium, CVSS 6.5, published 5 Jun 2026)
- [CVE-2026-48095: 7-Zip heap buffer overflow in NTFS handler](https://junglewise.ai/threats/cve-2026-48095-7-zip-heap-buffer-overflow-in-ntfs-handler) (high, CVSS 8.8, published 5 Jun 2026)
- [CVE-2026-48092: 7-Zip heap memory disclosure in SquashFS ReadBlock](https://junglewise.ai/threats/cve-2026-48092-7-zip-heap-memory-disclosure-in-squashfs-readblock) (medium, CVSS 4.3, published 5 Jun 2026)
- [CVE-2025-11001: 7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote…](https://junglewise.ai/threats/cve-2025-11001-7-zip-zip-file-parsing-directory-traversal-remote-code-execution) (high, CVSS 7.8, published 19 Nov 2025)
- [CVE-2025-53816: 7-Zip heap buffer overflow in RAR5 handler](https://junglewise.ai/threats/cve-2025-53816-7-zip-heap-buffer-overflow-in-rar5-handler) (high, CVSS 7.5, published 17 Jul 2025)
- [CVE-2025-0411: 7-Zip Mark of the Web Bypass Vulnerability](https://junglewise.ai/threats/cve-2025-0411-7-zip-mark-of-the-web-bypass-vulnerability) (critical, exploited in the wild, CVSS 7, published 6 Feb 2025)

## Most severe 7-Zip vulnerabilities

- [CVE-2025-0411: 7-Zip Mark of the Web Bypass Vulnerability](https://junglewise.ai/threats/cve-2025-0411-7-zip-mark-of-the-web-bypass-vulnerability) (critical, exploited in the wild, CVSS 7, published 6 Feb 2025)
- [CVE-2026-48095: 7-Zip heap buffer overflow in NTFS handler](https://junglewise.ai/threats/cve-2026-48095-7-zip-heap-buffer-overflow-in-ntfs-handler) (high, CVSS 8.8, published 5 Jun 2026)
- [CVE-2025-11001: 7-Zip ZIP File Parsing Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote…](https://junglewise.ai/threats/cve-2025-11001-7-zip-zip-file-parsing-directory-traversal-remote-code-execution) (high, CVSS 7.8, published 19 Nov 2025)
- [CVE-2025-53816: 7-Zip heap buffer overflow in RAR5 handler](https://junglewise.ai/threats/cve-2025-53816-7-zip-heap-buffer-overflow-in-rar5-handler) (high, CVSS 7.5, published 17 Jul 2025)
- [CVE-2026-14266: 7-Zip heap overflow in XZ decompression](https://junglewise.ai/threats/cve-2026-14266-7-zip-heap-overflow-in-xz-decompression) (high, CVSS 7, published 29 Jul 2026)
- [CVE-2026-48112: 7-Zip heap out-of-bounds read in Ar and SquashFS handlers](https://junglewise.ai/threats/cve-2026-48112-7-zip-heap-out-of-bounds-read-in-ar-and-squashfs-handlers) (medium, CVSS 6.5, published 5 Jun 2026)
- [CVE-2026-48101: 7-Zip uninitialized memory disclosure in UEFI capsule parser](https://junglewise.ai/threats/cve-2026-48101-7-zip-uninitialized-memory-disclosure-in-uefi-capsule-parser) (medium, CVSS 6.5, published 5 Jun 2026)
- [CVE-2026-48111: 7-Zip out-of-bounds read in UEFI firmware image parser](https://junglewise.ai/threats/cve-2026-48111-7-zip-out-of-bounds-read-in-uefi-firmware-image-parser) (medium, CVSS 4.3, published 5 Jun 2026)
- [CVE-2026-48103: 7-Zip heap out-of-bounds read in WIM archive handler](https://junglewise.ai/threats/cve-2026-48103-7-zip-heap-out-of-bounds-read-in-wim-archive-handler) (medium, CVSS 4.3, published 5 Jun 2026)
- [CVE-2026-48092: 7-Zip heap memory disclosure in SquashFS ReadBlock](https://junglewise.ai/threats/cve-2026-48092-7-zip-heap-memory-disclosure-in-squashfs-readblock) (medium, CVSS 4.3, published 5 Jun 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "7-Zip vulnerabilities", https://junglewise.ai/threats/technologies/7-zip, 9 November 2026.