Security readout for executives and security teams
Plain-English summary
CVE-2022-32628 is a MediaTek Android 12 vulnerability in the ISP component. A local attacker who already has high privileges could trigger an out-of-bounds write and gain local privilege escalation. The issue affects listed MediaTek chipsets and has a vendor patch ID, but the provided sources do not show public exploitation.
Executive priority
Treat this as a targeted mobile-fleet remediation item, not an internet-wide emergency. The business risk is privilege escalation on already-compromised or malicious-app-exposed Android devices, with high potential device impact if exploited.
Technical view
The flaw is CWE-787, an out-of-bounds write in MediaTek isp caused by a missing bounds check. CVSS 3.1 is 6.7 with local access, low complexity, high privileges required, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is most likely on Android 12 devices using MediaTek MT6833, MT6853, MT6855, MT6873, MT6877, MT6893, or MT8791 firmware that lacks patch ALPS07310780. OEM firmware patch status determines practical exposure.
Exploitation context
The sources describe local escalation of privilege and state user interaction is not needed. They do not provide evidence of active exploitation, public exploit availability, or remote attackability. CISA KEV status is false in the bundle.
Researcher notes
The source detail is limited to component, bug class, privilege requirements, affected chipsets, Android 12, and patch ID. Avoid assuming exploitability beyond local high-privilege context. Validation should focus on firmware provenance and patch inclusion.
Mitigation direction
- Apply OEM firmware updates that include MediaTek patch ALPS07310780.
- Prioritize Android 12 fleets using the affected MediaTek chipsets.
- Check MediaTek and device-vendor bulletins for model-specific update guidance.
- If no update exists, request guidance from the OEM or MediaTek.
- Reduce exposure to untrusted local apps through managed app controls.
Validation and detection
- Inventory Android 12 devices by chipset and firmware build.
- Map affected models to MT6833, MT6853, MT6855, MT6873, MT6877, MT6893, or MT8791.
- Confirm installed firmware includes ALPS07310780 or the relevant December 2022 vendor patch.
- Review MDM or vulnerability scanner findings for missing Android vendor security updates.
- Track exceptions where OEM patch availability is unclear.
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 lookupCVE-2022-32628 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
- 6.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/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:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H0.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.7MediumVector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://corp.mediatek.com/product-security-bulletin/December-2022CVE 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.
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.