Security readout for executives and security teams
Plain-English summary
This is a high-severity Adobe Acrobat Reader DC flaw. A malicious PDF could abuse annotation handling to run code as the person who opens it. The business risk is endpoint compromise through document-based phishing, but exploitation requires user interaction and no active exploitation is stated in the provided sources.
Executive priority
Treat as a normal high-priority endpoint patching issue. It can enable code execution from a malicious PDF, but requires user interaction and the supplied evidence does not show known active exploitation.
Technical view
CVE-2022-27801 is a CWE-416 use-after-free in Acrobat Reader DC annotation processing. Affected versions include 22.001.20085 and earlier, 20.005.3031x and earlier, and 17.012.30205 and earlier. CVSS 3.0 is 7.8 with local attack vector, low complexity, no privileges, and required user interaction.
Likely exposure
Organizations with Adobe Acrobat Reader DC installed on user workstations are potentially exposed, especially where users receive or download PDFs. Exposure depends on installed version lines and whether Adobe APSB22-16 guidance has been applied.
Exploitation context
The provided sources describe possible arbitrary code execution after a victim opens a malicious file. The CVE is not listed as KEV in the supplied bundle, so active exploitation is not established here.
Researcher notes
Focus validation on Acrobat Reader DC version lineage and patch state. The root issue is annotation-processing memory lifetime failure, not a network-exposed service flaw. Avoid assuming Acrobat products or exploit activity beyond the supplied sources.
Mitigation direction
- Inventory Acrobat Reader DC installations across endpoints.
- Review and apply Adobe APSB22-16 security guidance.
- Prioritize users who frequently handle external PDFs.
- Use endpoint controls to reduce malicious attachment execution risk.
- Check vendor guidance before relying on compensating controls.
Validation and detection
- Compare installed Reader DC versions against affected version thresholds.
- Confirm whether Adobe APSB22-16 updates are installed.
- Review vulnerability scanner results for CVE-2022-27801.
- Validate high-risk user groups are covered by endpoint protection.
- Document any unsupported or unpatched Reader DC deployments.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-416: Exact CWE lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-27801 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9adobeVulnerability scoring details
Base CVSS 3.0 score
7.8HighVector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/acrobat/apsb22-16.htmlCVE reference, adobe · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.