Security readout for executives and security teams
Plain-English summary
CVE-2022-32596 is a MediaTek Widevine memory-safety flaw. On affected Android devices, a local attacker with high existing privileges could potentially gain broader control. It is not described as a remote attack, and the sources do not show active exploitation.
Executive priority
Treat this as a moderate mobile-device hygiene issue. It is high impact if exploited, but the documented preconditions reduce urgency compared with remotely exploitable flaws.
Technical view
The issue is an out-of-bounds write in Widevine caused by an incorrect bounds check, mapped to CWE-787. MediaTek lists many MT67xx, MT68xx, MT83xx, and MT87xx chipsets on Android 10, 11, and 12. CVSS 3.1 is 6.7 with local attack vector, high privileges required, and no user interaction.
Likely exposure
Exposure is most likely in fleets containing Android 10, 11, or 12 devices using the listed MediaTek chipsets. Risk depends heavily on OEM firmware patch level and whether affected devices remain supported.
Exploitation context
The source data says exploitation is local, requires high privileges, and needs no user interaction. The CVE is not listed as KEV, and the provided sources do not claim public exploitation.
Researcher notes
The key uncertainty is OEM propagation: MediaTek names affected SoCs and patch ID ALPS07446213, but device-specific remediation depends on handset or tablet vendors. Do not assume all MediaTek devices are affected; validate chipset and Android version.
Mitigation direction
- Check MediaTek and OEM guidance for updates containing ALPS07446213.
- Identify Android 10, 11, and 12 devices with affected MediaTek chipsets.
- Apply available OEM firmware or security updates promptly.
- Retire or isolate unsupported affected devices if updates are unavailable.
- Limit high-privilege local access on affected devices.
Validation and detection
- Inventory device models, chipsets, Android versions, and security patch levels.
- Compare fleet hardware against the MediaTek affected chipset list.
- Confirm OEM firmware includes the relevant MediaTek December 2022 fix.
- Track unsupported or unpatched affected devices as exceptions.
- Monitor vendor advisories for any changed exploitation or remediation guidance.
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-2022-32596 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.