How severe is CVE-2024-44309?

CVE-2024-44309 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-44309 being actively exploited?

Yes. CVE-2024-44309 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-11-21, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2024-44309?

CVE-2024-44309 primarily affects Apple Safari. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-44309?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2024-44309 have an EU (EUVD) identifier?

Yes. CVE-2024-44309 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41208. It is also flagged as exploited in the EUVD (since 2024-11-21).

When was CVE-2024-44309 published?

CVE-2024-44309 was published on 2024-11-20 and last updated on 2026-06-17.

CVE-2024-44309

CVE-2024-44309 is a medium-severity vulnerability in Apple Safari with a CVSS 3.x base score of 6.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2024-11-21). The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 23% (97th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2024-11-21)
EU (EUVD) id: EUVD-2024-41208
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2024-11-21)
Weakness: CWE-79
Affected product: Apple Safari
Published: 2024-11-20
Last modified: 2026-06-17

Description

A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.

Frequently asked questions

What is CVE-2024-44309?: A cookie management issue was addressed with improved state management. This issue is fixed in Safari 18.1.1, iOS 17.7.2 and iPadOS 17.7.2, iOS 18.1.1 and iPadOS 18.1.1, macOS Sequoia 15.1.1, visionOS 2.1.1. Processing maliciously crafted web content may lead to a cross site scripting attack. Apple is aware of a report that this issue may have been actively exploited on Intel-based Mac systems.
How severe is CVE-2024-44309?: CVE-2024-44309 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-44309 being actively exploited?: Yes. CVE-2024-44309 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2024-11-21, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2024-44309?: CVE-2024-44309 primarily affects Apple Safari. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-44309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2024-44309 have an EU (EUVD) identifier?: Yes. CVE-2024-44309 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-41208. It is also flagged as exploited in the EUVD (since 2024-11-21).
When was CVE-2024-44309 published?: CVE-2024-44309 was published on 2024-11-20 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*

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