Answer in brief
CVE-2018-4878 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps n/a/Adobe Flash Player before 28.0.0.161 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2018-4878 records a High severity vulnerability in CVE Program Container. The current sources mark it as known exploited. The current feed maps n/a/Adobe Flash Player before 28.0.0.161 (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. 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 n/a/Adobe Flash Player before 28.0.0.161 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| n/a/Adobe Flash Player before 28.0.0.161generic | Adobe Flash Player before 28.0.0.161 | Not reported |
Published upstream
Feb 6, 2018
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 17, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Nov 3, 2021
Evidence: source:kev:kev:kev:recordA use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.
Quoted source text, attributed separately from HOL analysis.
A CVSS score is not reported in the current record. Known-exploitation status makes exposure review time-sensitive. 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 n/a/Adobe Flash Player before 28.0.0.161 (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| n/a/Adobe Flash Player before 28.0.0.161generic | Adobe Flash Player before 28.0.0.161 | Not reported |
Published upstream
Feb 6, 2018
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Nov 17, 2025
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
May 24, 2026
Added to CISA KEV
Nov 3, 2021
Evidence: source:kev:kev:kev:recordA use-after-free vulnerability was discovered in Adobe Flash Player before 28.0.0.161. This vulnerability occurs due to a dangling pointer in the Primetime SDK related to media player handling of listener objects. A successful attack can lead to arbitrary code execution. This was exploited in the wild in January and February 2018.
Quoted source text, attributed separately from HOL analysis.