Vulnerability

CVE-2009-0927

High· 8.8KEVEXPLOITCVSS8.8EPSS94%

.rules3/5

Adobe Reader and Adobe Acrobat Stack-Based Buffer Overflow Vulnerability

Stack-based buffer overflow in Adobe Reader and Adobe Acrobat allows remote attackers to execute arbitrary code.

Threat signal

100/100

Severe

Severity

high

CVSS

8.8

EPSS

94%

Active

KEV

CISA KEV — actively exploited

1522d overdue

AffectedAdobe — Reader and Acrobat

Added to KEV

2022-03-25

Federal patch due (BOD 22-01)

2022-04-15

Required action (CISA verbatim)

Apply updates per vendor instructions.

Vendor advisory + references

https://nvd.nist.gov/vuln/detail/CVE-2009-0927

CISA description: “Stack-based buffer overflow in Adobe Reader and Adobe Acrobat allows remote attackers to execute arbitrary code.”

CVSS

v3.1Open in FIRST calculator →

8.8/ 10HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionRequiredRequires user action (click, file open, etc).
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

93.8%

probability of exploitation in next 30 days

p100

higher than 100% of all CVEs

5-day trend↑ 0pp

Statistically about to be weaponized — top-tier triage urgency.

Vendor VEX

No VEX statements published for CVE-2009-0927. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2022-03-25Added to CISA KEVransomware: Unknown
2022-03-25Public exploit observedexploitdb, metasploit
2022-03-25Published
2022-04-15Federal patch due (BOD 22-01)
2026-06-15Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.