ExploitedIn CISA KEV

CVE-2011-2462

Exploitation confirmed. First attested on 2022-06-08 by CISA-ADP, CISA KEV, GCVE · kevintel.

Published2011-12-07
WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Unspecified vulnerability in the U3D component in Adobe Reader and Acrobat 10.1.1 and earlier on Windows and Mac OS X, and Adobe Reader 9.x through 9.4.6 on UNIX, allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via unknown vectors, as exploited in the wild in December 2011.

Timeline

dates in UTC

2011-12-0719:55CVE publishedNVD
2022-06-08Added to the CISA KEV catalogCISA KEV
2022-06-08Listed as exploited by GCVEGCVE
2022-06-08Exploitation first reportedCISA KEV
2025-11-2115:55SSVC exploitation set to activeCISA-ADP
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2011-2462?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2011-2462?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Adobe acrobat readerversion to verify

Branch	Affected	Fixed in	Source
10.1	≤ 10.1.1	no fix published	NVD
9.x	≥ 9.0, ≤ 9.4.6	no fix published	NVD

Adobe acrobatversion to verify

Branch	Affected	Fixed in	Source
10.1	≤ 10.1.1	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

CISA’s required action: Apply updates per vendor instructions.due 2022-06-22

Advisories and patches

www.adobe.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

CISA Known Exploited Vulnerability

Date Added: 2022-06-08
Patch Due Date: 2022-06-22
Ransomware Use: Unknown
Required Action: Apply updates per vendor instructions.

Sources

CISA KEVKEV entry2022-06-08
GCVEexploitation2022-06-08
CISA-ADPSSVC decisionactive2025-11-21
OpenCVESSVC decisionactive—
CISA-ADPCVSS 3.18.82025-02-04
NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.010read 2026-10-23
CISA-ADPweakness (CWE)CWE-7872025-02-04
NVDweakness (CWE)CWE-787read 2026-10-23
FIRST EPSSEPSS score88.9 %read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2011-12-07
Last Modified: 2026-06-16
NVD status: Analyzed

Frequently asked questions

What is CVE-2011-2462?

Is CVE-2011-2462 actively exploited?

Yes. CVE-2011-2462 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-06-22.

What is the CVSS score for CVE-2011-2462?

CVE-2011-2462 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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