CVE-2026-20453 (GCVE-0-2026-20453)
Vulnerability from cvelistv5 – Published: 2026-06-01 03:20 – Updated: 2026-06-02 03:55
VLAI?
Summary
In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10886526; Issue ID: MSV-6791.
Severity ?
6.7 (Medium)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset |
Affected:
MT6739
Affected: MT6761 Affected: MT6765 Affected: MT6768 Affected: MT6781 Affected: MT6789 Affected: MT6835 Affected: MT6853 Affected: MT6855 Affected: MT6877 Affected: MT6878 Affected: MT6879 Affected: MT6883 Affected: MT6885 Affected: MT6886 Affected: MT6889 Affected: MT6893 Affected: MT6895 Affected: MT6897 Affected: MT6899 Affected: MT6983 Affected: MT6985 Affected: MT6989 Affected: MT6991 Affected: MT8673 Affected: MT8765 Affected: MT8766 Affected: MT8768 Affected: MT8781 Affected: MT8786 Affected: MT8788 Affected: MT8791T Affected: MT8793 Affected: MT8797 Affected: MT8798 Affected: MT8910 |
{
"containers": {
"adp": [
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"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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"options": [
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"role": "CISA Coordinator",
"timestamp": "2026-06-01T00:00:00+00:00",
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"title": "CISA ADP Vulnrichment"
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"affected": [
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"product": "MediaTek chipset",
"vendor": "MediaTek, Inc.",
"versions": [
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"status": "affected",
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"status": "affected",
"version": "MT6765"
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"status": "affected",
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{
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{
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{
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{
"status": "affected",
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{
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "MT6895"
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{
"status": "affected",
"version": "MT6897"
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{
"status": "affected",
"version": "MT6899"
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{
"status": "affected",
"version": "MT6983"
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{
"status": "affected",
"version": "MT6985"
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{
"status": "affected",
"version": "MT6989"
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{
"status": "affected",
"version": "MT6991"
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{
"status": "affected",
"version": "MT8673"
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{
"status": "affected",
"version": "MT8765"
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{
"status": "affected",
"version": "MT8766"
},
{
"status": "affected",
"version": "MT8768"
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{
"status": "affected",
"version": "MT8781"
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{
"status": "affected",
"version": "MT8786"
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
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{
"status": "affected",
"version": "MT8797"
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{
"status": "affected",
"version": "MT8798"
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{
"status": "affected",
"version": "MT8910"
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"value": "In geniezone, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS10886526; Issue ID: MSV-6791."
}
],
"problemTypes": [
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"descriptions": [
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"description": "CWE-787 Out-of-bounds Write",
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"providerMetadata": {
"dateUpdated": "2026-06-01T03:20:09.951Z",
"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"shortName": "MediaTek"
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"references": [
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"url": "https://corp.mediatek.com/product-security-bulletin/June-2026"
}
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"cveId": "CVE-2026-20453",
"datePublished": "2026-06-01T03:20:09.951Z",
"dateReserved": "2025-11-03T01:30:59.013Z",
"dateUpdated": "2026-06-02T03:55:39.373Z",
"state": "PUBLISHED"
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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