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CVE-2026-5889

MEDIUMCVSS 4.3/10EPSS 0.10%

Last modified

CVE-2026-5889 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Cryptographic Flaw in PDFium in Google Chrome prior to 147.0.7727.55 allowed an attacker to read potentially sensitive information from encrypted PDFs via a brute-force attack. (Chromium security severity: Medium). EPSS estimates a 0.10% chance of exploitation in the next 30 days.

Description

Cryptographic Flaw in PDFium in Google Chrome prior to 147.0.7727.55 allowed an attacker to read potentially sensitive information from encrypted PDFs via a brute-force attack. (Chromium security severity: Medium)

Metrics

CVSS 3.1
4.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

EPSS Probability
0.10%

1.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GoogleChrome< 147.0.7727.55

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-5889?
Cryptographic Flaw in PDFium in Google Chrome prior to 147.0.7727.55 allowed an attacker to read potentially sensitive information from encrypted PDFs via a brute-force attack. (Chromium security severity: Medium)
How severe is CVE-2026-5889?
CVE-2026-5889 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.10% probability of exploitation in the next 30 days.
How do I fix CVE-2026-5889?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5889?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST