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Actively exploited

CVE-2008-0655 Adobe Acrobat and Reader Unspecified Vulnerability

Adobe Acrobat and Reader contains an unespecified vulnerability described as a design flaw which could allow a specially crafted file to be printed silently an arbitrary number of times.

From the CISA KEV catalogue version 2026.11.06, with Cybergen analysis. Updated 6 Nov 2026.

Our Assessment

Should You Worry?

Patch urgentlyCybergen assessment
  • CISA confirmed exploitation in the wild and added it to the Known Exploited Vulnerabilities catalogue on 8 Jun 2022.
  • Rated High severity (CVSS 8.8, scored by CISA).
  • It has been in the catalogue for 1,612 days. Systems still unpatched now have almost certainly been scanned for it.
The Vulnerability

What It Is

Multiple unspecified vulnerabilities in Adobe Reader and Acrobat before 8.1.2 have unknown impact and attack vectors.

From Watch to Action

What To Do Now

  1. 1

    Find it

    Search your asset inventory and external attack surface for Adobe Acrobat and Reader. Include cloud images, appliances and anything a supplier runs for you.

    Attack Surface Management
  2. 2

    Fix it

    Apply updates per vendor instructions.

    Vulnerability Management
  3. 3

    Hunt for compromise

    If an affected system was reachable before you patched, assume it may have been hit. Check logs, new accounts, web shells and outbound connections from the date of exposure.

    Incident Response
  4. 4

    Prove it is fixed

    Rescan or test the system after patching. Upgrades that fail silently and forgotten secondary instances are common.

    Penetration Testing

Vendor Advisories

Regulation

The Compliance Clock

Cyber EssentialsRated high, so if it affects devices in your Cyber Essentials scope, the update must be installed within 14 days of the vendor releasing it.NIS2If exploitation causes a significant incident, essential and important entities owe their CSIRT an early warning within 24 hours and a notification within 72 hours.DORAFinancial entities must classify ICT incidents and send an initial notification for a major incident within strict deadlines, with exploited flaws a common cause.US federal (BOD 22-01)Federal civilian agencies had until 22 Jun 2022 to remediate. A sensible benchmark for everyone else.

General guidance, not legal advice. Your obligations depend on your sector, scope and jurisdiction.

Stay Ahead

More Exploited Adobe Flaws

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All 83 exploited Adobe vulnerabilities

Not Sure If You Are Exposed?

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Evidence

Sources

  1. CISA Known Exploited Vulnerabilities catalogue
  2. NVD: CVE-2008-0655
  3. CVE record: CVE-2008-0655
  4. FIRST EPSS
  5. lists.opensuse.org/opensuse-security-announce/2008-02/msg00007.html
  6. securitytracker.com/id?1019346
  7. us-cert.gov/cas/techalerts/TA08-043A.html
  8. adobe.com/support/security/bulletins/apsb08-13.html
  9. vupen.com/english/advisories/2008/1966/references
  10. secunia.com/advisories/28851
  11. blogs.adobe.com/acroread/2008/02/adobe_reader_812_for_linux_and.html
  12. kb.adobe.com/selfservice/viewContent.do?externalId=kb403079&sliceId=1