Security readout for executives and security teams
Plain-English summary
A flaw in Microsoft HEIF Image Extensions could let attacker-supplied image content run code when a user interacts with it. The business risk is endpoint compromise through image-handling workflows, especially email, web downloads, or shared files. The provided sources do not show known active exploitation.
Executive priority
Treat as a high-priority endpoint patching issue, not an emergency zero-day based on current evidence. Focus on confirming exposure and updating systems that process untrusted image files.
Technical view
CVE-2022-24457 is a Microsoft HEIF Image Extensions remote code execution issue mapped to CWE-787. The CVSS 3.1 vector is 7.8 high, AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H, meaning exploitation requires user interaction but no privileges and could fully impact confidentiality, integrity, and availability.
Likely exposure
Exposure appears limited to systems with Microsoft HEIF Image Extension version 1.0.0.0, according to the bundle. Risk is highest where users open or preview HEIF/HEIC images from untrusted sources. The bundle does not provide broader product or platform version details.
Exploitation context
The source bundle marks KEV as false and CVSS exploit maturity as unproven. Active exploitation should not be assumed from the available evidence. The vulnerability requires user interaction, so phishing or file-delivery scenarios are more plausible than unauthenticated network exploitation.
Researcher notes
The bundle provides severity, CVSS vector, CWE-787, affected product/version, and MSRC reference, but not root-cause detail, fixed version, or exploit artifacts. Avoid extrapolating beyond Microsoft HEIF Image Extension 1.0.0.0 unless vendor data confirms broader exposure.
Mitigation direction
- Review Microsoft MSRC guidance for CVE-2022-24457.
- Update affected HEIF Image Extensions through Microsoft-supported channels.
- Prioritize endpoints that handle untrusted image files.
- Limit HEIF/HEIC file handling if updates cannot be confirmed.
- Educate users to avoid unexpected image attachments or downloads.
Validation and detection
- Inventory endpoints for Microsoft HEIF Image Extension version 1.0.0.0.
- Confirm the MSRC advisory status and applicable update path.
- Verify affected endpoints received the vendor-provided fix.
- Check email, web, and file-share workflows for HEIF exposure.
- Review security telemetry for suspicious image-file handling events.
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-787: 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-2022-24457 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
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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:H/A:H/E:U/RL:O/RC:C1.85.9microsoftVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
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
- HEIF Image Extensions Remote Code Execution VulnerabilityCVE reference, microsoft · vendor-advisory
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.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.