Analyst readout for executives and security teams
Plain-English summary
This vulnerability affects Adobe Photoshop and can let a malicious file run code as the signed-in user when opened. It is high risk because compromise can affect confidentiality, integrity, and availability, but it requires user interaction and the provided sources do not establish active exploitation.
Executive priority
Treat as a high-priority endpoint patching issue for creative and marketing environments. Business urgency is strongest where users routinely open files from customers, vendors, or public sources. It is not supported as emergency active-exploitation response by the provided evidence.
Technical view
CVE-2021-36065 is a CWE-122 heap-based buffer overflow in Adobe Photoshop 21.2.10 and earlier, and 22.4.3 and earlier. CVSS 3.1 is 7.8 with local attack vector, no privileges required, required user interaction, unchanged scope, and high CIA impact.
Likely exposure
Organizations are exposed where affected Photoshop versions remain installed, especially on workstations receiving external creative assets, email attachments, downloaded files, or client-supplied media. Exposure depends on software inventory, patch status, and user workflows involving untrusted files.
Exploitation context
Exploitation requires a victim to open a malicious file in an affected Photoshop version. The provided bundle marks KEV as false and gives no public evidence of active exploitation or exploit availability, so active exploitation should not be asserted from these sources.
Researcher notes
The key constraints are local attack vector and required user interaction. Impact is arbitrary code execution in the current user context. Public details in the bundle are limited to affected versions, weakness class, CVSS, and Adobe advisory reference; no exploit indicators or deeper root-cause details are provided.
Mitigation direction
- Update Photoshop according to Adobe security bulletin APSB21-68.
- Identify and remediate Photoshop 21.2.10 or earlier and 22.4.3 or earlier.
- Limit opening untrusted creative files on affected systems until remediated.
- Use least-privilege user accounts for creative workstations.
- Apply email and web filtering for suspicious file attachments and downloads.
Validation and detection
- Inventory installed Adobe Photoshop versions across managed endpoints.
- Compare detected versions against the affected ranges in CVE-2021-36065.
- Confirm remediation status against Adobe APSB21-68 guidance.
- Review whether high-risk users receive external Photoshop-compatible files.
- Check endpoint controls for alerts after suspicious file-open events.
Public sources used
Based on public source material and reviewed before publication.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-122: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
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-2021-36065 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/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.
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:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H1.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://helpx.adobe.com/security/products/photoshop/apsb21-68.htmlCVE reference · 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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.