Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
AV AC PR UI S C I A CVSS EPSS %ile KEV L L N R U N H N 5.5 .1338 96.3 YES
AFFECTED Product Versions Fixed iOS and iPadOS unspecified – — macOS unspecified – —
TIMELINE Sep 6 Reserved by apple Sep 21 Published (CNA: apple) Sep 25 Added to CISA KEV, remediation due 2023-10-16
A certificate validation issue was addressed. This issue is fixed in macOS Ventura 13.6, iOS 16.7 and iPadOS 16.7. A malicious app may be able to bypass signature validation. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.
| Date | Event | Detail |
|---|---|---|
| September 6, 2023 | Reserved | Reserved by apple |
| September 21, 2023 | Published | Published (CNA: apple) |
| September 25, 2023 | KEV ADDED | Added to CISA KEV, remediation due 2023-10-16 |
Authoritative record: CVE-2023-41991 at cve.org
Vendors: apple
Weaknesses: CWE-295
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2023-41991 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.
