Answer in brief
CVE-2026-21551 records a High severity (CVSS 7.5) vulnerability in CISA ADP Vulnrichment. The current sources do not mark it as known exploited. The current feed maps Unisoc (Shanghai) Technologies Co., Ltd./T8100/T9100/T8200/T8300 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unisoc (Shanghai) Technologies Co., Ltd./T8100/T9100/T8200/T8300 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unisoc (Shanghai) Technologies Co., Ltd./T8100/T9100/T8200/T8300generic | Android13/Android14/Android15/Android16 | Not reported |
Published upstream
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-21551 records a High severity (CVSS 7.5) vulnerability in CISA ADP Vulnrichment. The current sources do not mark it as known exploited. The current feed maps Unisoc (Shanghai) Technologies Co., Ltd./T8100/T9100/T8200/T8300 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.5. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Unisoc (Shanghai) Technologies Co., Ltd./T8100/T9100/T8200/T8300 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unisoc (Shanghai) Technologies Co., Ltd./T8100/T9100/T8200/T8300generic | Android13/Android14/Android15/Android16 | Not reported |
Published upstream
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 3, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 3, 2026
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
Quoted source text, attributed separately from HOL analysis.