CVE-2023-34641: KioWare for Windows through v8.33 was discovered to contain an incomplete blacklist filter for blocked dialog

Q: How do I fix CVE-2023-34641?

kioware: upgrade to newer than 8.33. Exact commands for each OS are on this page.

Q: Is CVE-2023-34641 being exploited?

CVE-2023-34641 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-2023-34641 affect?

CVE-2023-34641 affects kioware. Severity is high (CVSS 7.8). KioWare for Windows through v8.33 was discovered to contain an incomplete blacklist filter for blocked dialog boxes on Windows 10. This issue can allow attackers to open a file dialog box via the function window.print() which can then be us

Routine

HIGH 7.8UPGRADE

CVE-2023-34641 is a high-severity flaw (CVSS 7.8) affecting kioware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

KioWare for Windows through v8.33 was discovered to contain an incomplete blacklist filter for blocked dialog boxes on Windows 10. This issue can allow attackers to open a file dialog box via the function window.print() which can then be used to open an unprivileged command prompt.

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	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Published	2023-06-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kioware

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

Am I affected?

Timeline

2023-06-19 05:15 UTCPublished CVE record published
2026-06-17 06:03 UTCUpdated Record last modified

kioware kioware UPGRADE

Affected: <= 8.33

Fixed in: newer than 8.33

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 8.33 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kioware

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-2023-34641?

kioware: upgrade to newer than 8.33. Exact commands for each OS are on this page.

Is CVE-2023-34641 being exploited?

CVE-2023-34641 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-2023-34641 affect?

CVE-2023-34641 affects kioware. Severity is high (CVSS 7.8). KioWare for Windows through v8.33 was discovered to contain an incomplete blacklist filter for blocked dialog boxes on Windows 10. This issue can allow attackers to open a file dialog box via the function window.print() which can then be us

How urgent is CVE-2023-34641?

Priority 31/100. High severity

Software pages

Windows vulnerabilities

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References

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