CVE-2024-8811: WinZip Mark-of-the-Web Bypass Vulnerability

Q: How do I fix CVE-2024-8811?

winzip: upgrade to 76.8. Exact commands for each OS are on this page.

Q: Is CVE-2024-8811 being exploited?

CVE-2024-8811 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-8811 affect?

CVE-2024-8811 affects winzip. Severity is high (CVSS 7.8). WinZip Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of WinZip. User interaction is required to exploit this vulnerability in th

Routine

HIGH 7.8UPGRADE

CVE-2024-8811 is a high-severity flaw (CVSS 7.8) affecting winzip. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WinZip Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of WinZip. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of archive files. When opening an archive that bears the Mark-of-the-Web, WinZip removes the Mar

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-693, CWE-670
Published	2024-11-22
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: winzip

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2024-11-22 21:15 UTCPublished CVE record published
2026-06-17 08:23 UTCUpdated Record last modified

winzip winzip UPGRADE

Affected: < 76.8

Fixed in: 76.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy winzip || rpm -q winzip || winzip --version

2. UPGRADE to 76.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade winzip

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade winzip

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-8811?

winzip: upgrade to 76.8. Exact commands for each OS are on this page.

Is CVE-2024-8811 being exploited?

CVE-2024-8811 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-8811 affect?

CVE-2024-8811 affects winzip. Severity is high (CVSS 7.8). WinZip Mark-of-the-Web Bypass Vulnerability. This vulnerability allows remote attackers to bypass the Mark-of-the-Web protection mechanism on affected installations of WinZip. User interaction is required to exploit this vulnerability in th

How urgent is CVE-2024-8811?

Priority 37/100. High severity

Related CVEs

CVE-2025-1240 HIGH 8.8 UPGRADE WinZip 7Z File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

References

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