How severe is CVE-2026-5889?

CVE-2026-5889 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-5889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5889?

CVE-2026-5889 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-5889?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-5889 have an EU (EUVD) identifier?

Yes. CVE-2026-5889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20705.

When was CVE-2026-5889 published?

CVE-2026-5889 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-5889

CVE-2026-5889 is a medium-severity vulnerability in Google Chrome with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-326.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20705
Weakness: CWE-326
Affected product: Google Chrome
Published: 2026-04-08
Last modified: 2026-06-17

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)

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 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-5889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5889?: CVE-2026-5889 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-5889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-5889 have an EU (EUVD) identifier?: Yes. CVE-2026-5889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20705.
When was CVE-2026-5889 published?: CVE-2026-5889 was published on 2026-04-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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