Security readout for executives and security teams
Plain-English summary
A flaw in Apple platforms could let an app access sensitive user data. It threatens confidentiality but is not described as enabling data changes or service disruption. Apple addressed the issue through improved data protection in specified Safari, iOS, iPadOS, macOS, and visionOS releases.
Executive priority
Treat this as a routine but time-sensitive confidentiality update. Prioritize devices handling sensitive personal, corporate, or regulated information, then complete deployment through normal patch governance. There is no supplied evidence supporting emergency incident-response measures solely for this CVE.
Technical view
CVE-2026-28958 is a CWE-200 information-exposure issue with CVSS 3.1 score 5.5. The vector indicates local access, low complexity, no privileges, and required user interaction, with high confidentiality impact only. Public details do not identify the vulnerable component, exposed data, or precise affected version ranges.
Likely exposure
Exposure is most likely on Apple devices running releases earlier than the named fixed versions, particularly where users run apps that may trigger the flaw. The supplied affected-version records contain placeholder values, so organizations should confirm applicability against Apple's advisories and their device inventories.
Exploitation context
The source bundle does not identify active exploitation, and the CVE is not listed as KEV. The CVSS vector describes a local attack requiring user interaction, not a remotely exploitable network flaw. Public information does not explain the necessary application behavior or attack conditions.
Researcher notes
The public description only states that an app may access sensitive user data and that improved data protection resolved the issue. It provides no vulnerable component, data type, root cause, indicators, or reproduction details. The placeholder affected-version entries prevent a reliable lower-bound determination.
Mitigation direction
- Update Safari to version 26.5 or later where applicable.
- Update iOS and iPadOS to 18.7.10, 26.5, or later supported releases.
- Update macOS Tahoe and visionOS to version 26.5 or later.
- Check the linked Apple advisories for device-specific guidance and supported upgrade paths.
Validation and detection
- Inventory Safari, iOS, iPadOS, macOS Tahoe, and visionOS versions across managed devices.
- Verify installed releases meet or exceed Apple's named fixed versions.
- Confirm endpoint-management reports show successful deployment without pending or failed updates.
- Review Apple advisories to resolve applicability where inventory versions do not map clearly to supplied data.
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-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookupCVE-2026-28958 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
- Medium
- CVSS
- 5.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
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.
SSVC decision data
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N1.83.6CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.5MediumVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://support.apple.com/en-us/127110CVE reference, apple
- https://support.apple.com/en-us/127115CVE reference, apple
- https://support.apple.com/en-us/127120CVE reference, apple
- https://support.apple.com/en-us/127121CVE reference, apple
- https://support.apple.com/en-us/148287CVE reference, apple
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.