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01 Record

CVE-2024-40774

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in iOS 17.6 and iPadOS 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8, tvOS 17.6,

MediumPUBLISHEDCNA: apple
CNA base score5.9 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
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02 Description

A downgrade issue was addressed with additional code-signing restrictions. This issue is fixed in iOS 17.6 and iPadOS 17.6, macOS Monterey 12.7.6, macOS Sonoma 14.6, macOS Ventura 13.6.8, tvOS 17.6,

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.33% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 26.0% of scored records. A rank, not a probability.
NVD base score
7.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2024-07-29 22:16Z2 YR AGO
Last updated
2026-04-02 18:08Z6 MO AGO
Reserved
2024-07-10
Assigning CNA
apple
Record state
PUBLISHED
Severity
Medium (CVSS 5.9)
CNA CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Weaknesses
No CWE assigned
Data version
5.2
Document digest
e9fd16b1982233408809adecfa2e74fe2d50607b3d15b13e1064c1ff657ffce8

05 Affected products

VendorProductVersionsPlatforms
AppleiOS and iPadOS0 to < 17.6—
ApplemacOS0 to < 12.7.6, 0 to < 13.6.8, 0 to < 14.6—
AppletvOS0 to < 17.6—
ApplewatchOS0 to < 10.6—

06 References