How severe is CVE-2019-0764?

CVE-2019-0764 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2019-0764 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-0764?

CVE-2019-0764 primarily affects Microsoft Internet Explorer. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-0764?

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

When was CVE-2019-0764 published?

CVE-2019-0764 was published on 2019-04-09 and last updated on 2026-06-17.

CVE-2019-0764

CVE-2019-0764 is a medium-severity vulnerability in Microsoft Internet Explorer with a CVSS 3.x base score of 6.5. 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-88.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-88
Affected product: Microsoft Internet Explorer
Published: 2019-04-09
Last modified: 2026-06-17

Description

A tampering vulnerability exists when Microsoft browsers do not properly validate input under specific conditions, aka 'Microsoft Browsers Tampering Vulnerability'.

Frequently asked questions

What is CVE-2019-0764?: A tampering vulnerability exists when Microsoft browsers do not properly validate input under specific conditions, aka 'Microsoft Browsers Tampering Vulnerability'.
How severe is CVE-2019-0764?: CVE-2019-0764 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2019-0764 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-0764?: CVE-2019-0764 primarily affects Microsoft Internet Explorer. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-0764?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-0764 published?: CVE-2019-0764 was published on 2019-04-09 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:microsoft:internet_explorer:10:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:11:-:*:*:*:*:*:*
cpe:2.3:a:microsoft:edge:-:*:*:*:*:*:*:*
cpe:2.3:a:microsoft:internet_explorer:9:*:*:*:*:*:*:*

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