Security readout for executives and security teams
Plain-English summary
CVE-2022-26717 is an Apple use-after-free memory bug where maliciously crafted web content could cause arbitrary code execution. The business risk is high because exploitation only requires user interaction with web content, and successful compromise could affect confidentiality, integrity, and availability.
Executive priority
Prioritize remediation in normal high-severity patch cycles, faster for executives, administrators, and users exposed to untrusted web content. There is no supplied evidence of active exploitation, but the impact is serious enough to avoid deferral.
Technical view
The issue is classified as CWE-416 and was fixed through improved memory management. CVSS 3.1 is 8.8 with network attack vector, low complexity, no privileges required, user interaction required, and high impact to confidentiality, integrity, and availability.
Likely exposure
Likely exposure is Apple environments running versions before the fixes named by Apple: iOS/iPadOS 15.5, macOS Monterey 12.4, Safari 15.5, tvOS 15.5, watchOS 8.6, or iTunes 12.12.4 for Windows.
Exploitation context
The provided sources say processing maliciously crafted web content may lead to arbitrary code execution. They do not state active exploitation, and the CVE is not marked as CISA KEV in the supplied bundle.
Researcher notes
Evidence is limited to Apple and CVE records. The affected CPE data in the bundle is incomplete and duplicated, so product scope should be taken from Apple’s fixed-version statements rather than the affected array alone.
Mitigation direction
- Update affected Apple products to the fixed versions or later.
- Prioritize internet-facing and routinely browsing endpoints first.
- Verify Safari and iTunes for Windows patch status separately from OS patching.
- For unclear platforms, check the linked Apple security advisories.
- Treat unsupported systems as unresolved unless Apple guidance says otherwise.
Validation and detection
- Inventory Apple OS, Safari, and iTunes versions across managed assets.
- Confirm iOS and iPadOS are at least 15.5 where applicable.
- Confirm macOS Monterey is at least 12.4 where applicable.
- Confirm Safari is at least 15.5 where separately installed.
- Review patch management evidence for successful deployment.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-416: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-26717 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/HT213258CVE reference
- https://support.apple.com/en-us/HT213253CVE reference
- https://support.apple.com/en-us/HT213254CVE reference
- https://support.apple.com/en-us/HT213257CVE reference
- https://support.apple.com/en-us/HT213259CVE reference
- https://support.apple.com/en-us/HT213260CVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Use After Free
Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.