What is CVE-2009-0927?

CVE-2009-0927 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2009-03-19.

How severe is CVE-2009-0927?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2009-0927 known to be exploited?

Yes. CVE-2009-0927 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.

Buffer overflow in Adobe Acrobat Reader

CVE-2009-0927

Stack-based buffer overflow in Adobe Reader and Adobe Acrobat 9 before 9.1, 8 before 8.1.3 , and 7 before 7.1.1 allows remote attackers to execute arbitrary code via a crafted argument to the getIcon method of a Collab object, a different vulnerability than CVE-2009-0658.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2009-03-19 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.966 (99.9th percentile), scored 2026-10-15.

Very high probability of exploitation in the next 30 days — among the top 0.1% most-likely-to-be-exploited CVEs. 100th percentile — 99.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.966 · newest: 0.966 · change: 0.000

Affected products

Adobe Acrobat Reader

Weakness classification (CWE)

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-03-25. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-04-15.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

www.zerodayinitiative.com/advisories/ZDI-09-014 (VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/9579 (VDB Entry, Third Party Advisory, exploit)
www.securityfocus.com/bid/34169 (VDB Entry, Third Party Advisory, vdb-entry)
secunia.com/advisories/34790 (Third Party Advisory, third-party-advisory)
www.adobe.com/support/security/bulletins/apsb09-04.html (Patch, Vendor Advisory)
www.securitytracker.com/id (VDB Entry, Third Party Advisory, vdb-entry)
www.vupen.com/english/advisories/2009/0770 (Third Party Advisory, vdb-entry)
secunia.com/advisories/34490 (Third Party Advisory, third-party-advisory)
lists.opensuse.org/opensuse-security-announce/2009-03/msg00005.html (vendor-advisory, Mailing List, Third Party Advisory)
www.securityfocus.com/archive/1/502116/100/0/threaded (mailing-list, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2009-0927?: CVE-2009-0927 is a high-severity vulnerability in Adobe Acrobat Reader, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2009-03-19.
How severe is CVE-2009-0927?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2009-0927 known to be exploited?: Yes. CVE-2009-0927 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating it is being actively exploited. 8 public proof-of-concept repositories are indexed.