9.3

CVE-2009-1862: Adobe Acrobat and Reader, Flash Player Unspecified Vulnerability

CVSS: 9.3v2.0HighKEVAnalyzed
Published 23-07-2009Last modified 22-10-2025

Vulnerability summary

CVE-2009-1862 is a high (CVSS 9.3) Out-of-bounds Write vulnerability in Adobe Acrobat and Reader, Flash Player. It is known to be exploited: CISA lists it, first on 08-06-2022. EPSS estimates a 21.20% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
21.20%
0%100%
High · -3.72 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Duplicates 1

Timeline

  1. 23-07-2009
    PublishedVulnerability first disclosed.
  2. 08-06-2022
    Added to CISA KEVAdobe Acrobat and Reader, Flash Player Unspecified Vulnerability
  3. 22-06-2022
    CISA remediation dueApply mitigations per vendor instructions.
  4. 22-10-2025
    Last modifiedVulnerability information updated.

Description

Unspecified vulnerability in Adobe Reader and Acrobat 9.x through 9.1.2, and Adobe Flash Player 9.x through 9.0.159.0 and 10.x through 10.0.22.87, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via (1) a crafted Flash application in a .pdf file or (2) a crafted .swf file, related to authplay.dll, as exploited in the wild in July 2009.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

21.20%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

-3.72 pp

From 24.92% on 21-09-2026

21-09-202621-10-2026
EPSS score
21.20%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
08-06-2022
Federal due date
22-06-2022

CISA required action

For Adobe Acrobat and Reader, apply updates per vendor instructions. For Adobe Flash Player, the impacted product is end-of-life and should be disconnected if still in use. nvd.nist.gov/vuln/detail/CVE-2009-1862

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Adobe3 products

1 vendor · 3 products

References

21 links
Show all 21 references