Security readout for executives and security teams
Plain-English summary
CVE-2019-0977 is a Windows GDI memory disclosure issue. If abused, it could reveal memory contents that help an attacker progress further on a user system. The cited Microsoft description points to crafted documents or untrusted webpages as possible delivery paths.
Executive priority
Treat this as a moderate legacy Windows remediation item. It is not cited as actively exploited here, but memory disclosure can support follow-on compromise, so unpatched affected systems should be brought into compliance.
Technical view
The vulnerability is in Windows GDI object memory handling and can disclose memory contents. Microsoft lists affected Windows 7 and Windows Server 2008/2008 R2 variants, including Server Core installations. The fix corrects how GDI handles objects in memory.
Likely exposure
Exposure is most likely on affected Windows 7 or Windows Server 2008/2008 R2 systems that have not received the Microsoft security update for CVE-2019-0977.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. Microsoft states exploitation could involve convincing a user to open a crafted document or visit an untrusted webpage.
Researcher notes
The CVSS score is 4.7 with high confidentiality impact and no integrity or availability impact. The bundle lists official remediation availability and reliable reporting confidence, but does not include CWE mapping or detailed vulnerable code paths.
Mitigation direction
- Apply the Microsoft security update for CVE-2019-0977.
- Inventory Windows 7 and Windows Server 2008/2008 R2 systems.
- Prioritize systems that process documents or browse untrusted web content.
- Check current Microsoft guidance for package applicability and supersedence.
Validation and detection
- Confirm affected operating system versions are present or absent.
- Verify the CVE-2019-0977 Microsoft update is installed.
- Review vulnerability scan results for remaining affected hosts.
- Track exceptions for systems awaiting maintenance windows.
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
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.
CVE-2019-0977 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
- Medium
- CVSS
- 4.7 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
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:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C13.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
4.7MediumVector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- Windows GDI Information Disclosure VulnerabilityCVE reference · vendor-advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0977CVE reference · x_refsource_MISC, x_transferred
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.