Security readout for executives and security teams
Plain-English summary
CVE-2022-32634 is a MediaTek Android chipset vulnerability in ccci. It can allow local privilege escalation without user interaction, but the CVSS vector requires high existing privileges. Business urgency is moderate unless affected MediaTek-based devices are unmanaged, outdated, or exposed to other compromise paths.
Executive priority
Treat as a moderate mobile fleet hygiene issue. It is not presented as remotely exploitable or actively exploited, but affected unpatched devices could worsen post-compromise impact by enabling deeper local control.
Technical view
MediaTek describes an out-of-bounds write in ccci caused by improper input validation, mapped to CWE-787. Affected chipsets run Android 11, 12, or 13. The CVSS 3.1 score is 6.7 with local attack vector, low complexity, high privileges required, no user interaction, and high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to devices using the listed MediaTek chipsets on Android 11.0, 12.0, or 13.0 where the OEM firmware does not include Patch ID ALPS07138646. Enterprise risk depends on device inventory, OEM patch delivery, and Android security patch level.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not marked KEV. Exploitation is local and does not require user interaction, but it requires high privileges before triggering the vulnerability, which lowers broad remote attack likelihood.
Researcher notes
Evidence is limited to CVE and MediaTek bulletin data. The sources name ccci, CWE-787, affected chipsets, Android versions, and Patch ID ALPS07138646, but do not provide technical root-cause details, proof-of-concept status, or OEM-specific fixed firmware versions.
Mitigation direction
- Apply OEM firmware updates that include MediaTek Patch ID ALPS07138646.
- Check MediaTek and device-vendor security bulletins for supported fixed builds.
- Prioritize managed Android devices using affected MediaTek chipsets.
- Remove or replace devices that cannot receive vendor security updates.
Validation and detection
- Inventory Android devices for affected MediaTek chipset models.
- Confirm Android versions 11.0, 12.0, or 13.0 against the affected list.
- Verify OEM patch notes include ALPS07138646 or the December 2022 MediaTek fix.
- Use MDM reporting to confirm patched firmware 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-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-2022-32634 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.