diff --git a/2020/15xxx/CVE-2020-15528.json b/2020/15xxx/CVE-2020-15528.json
new file mode 100644
index 00000000000..93168ee2922
--- /dev/null
+++ b/2020/15xxx/CVE-2020-15528.json
@@ -0,0 +1,62 @@
+{
+    "CVE_data_meta": {
+        "ASSIGNER": "cve@mitre.org",
+        "ID": "CVE-2020-15528",
+        "STATE": "PUBLIC"
+    },
+    "affects": {
+        "vendor": {
+            "vendor_data": [
+                {
+                    "product": {
+                        "product_data": [
+                            {
+                                "product_name": "n/a",
+                                "version": {
+                                    "version_data": [
+                                        {
+                                            "version_value": "n/a"
+                                        }
+                                    ]
+                                }
+                            }
+                        ]
+                    },
+                    "vendor_name": "n/a"
+                }
+            ]
+        }
+    },
+    "data_format": "MITRE",
+    "data_type": "CVE",
+    "data_version": "4.0",
+    "description": {
+        "description_data": [
+            {
+                "lang": "eng",
+                "value": "An issue was discovered in GOG Galaxy Client 2.0.17. Local escalation of privileges is possible when a user starts or uninstalls a game because of weak file permissions and missing file integrity checks."
+            }
+        ]
+    },
+    "problemtype": {
+        "problemtype_data": [
+            {
+                "description": [
+                    {
+                        "lang": "eng",
+                        "value": "n/a"
+                    }
+                ]
+            }
+        ]
+    },
+    "references": {
+        "reference_data": [
+            {
+                "url": "http://daniels-it-blog.blogspot.com/2020/07/gog-galaxy-escalation-of-privileges.html",
+                "refsource": "MISC",
+                "name": "http://daniels-it-blog.blogspot.com/2020/07/gog-galaxy-escalation-of-privileges.html"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/2020/15xxx/CVE-2020-15529.json b/2020/15xxx/CVE-2020-15529.json
new file mode 100644
index 00000000000..2dc0783c0b6
--- /dev/null
+++ b/2020/15xxx/CVE-2020-15529.json
@@ -0,0 +1,62 @@
+{
+    "CVE_data_meta": {
+        "ASSIGNER": "cve@mitre.org",
+        "ID": "CVE-2020-15529",
+        "STATE": "PUBLIC"
+    },
+    "affects": {
+        "vendor": {
+            "vendor_data": [
+                {
+                    "product": {
+                        "product_data": [
+                            {
+                                "product_name": "n/a",
+                                "version": {
+                                    "version_data": [
+                                        {
+                                            "version_value": "n/a"
+                                        }
+                                    ]
+                                }
+                            }
+                        ]
+                    },
+                    "vendor_name": "n/a"
+                }
+            ]
+        }
+    },
+    "data_format": "MITRE",
+    "data_type": "CVE",
+    "data_version": "4.0",
+    "description": {
+        "description_data": [
+            {
+                "lang": "eng",
+                "value": "An issue was discovered in GOG Galaxy Client 2.0.17. Local escalation of privileges is possible when a user installs a game or performs a verify/repair operation. The issue exists because of weak file permissions and can be exploited by using opportunistic locks."
+            }
+        ]
+    },
+    "problemtype": {
+        "problemtype_data": [
+            {
+                "description": [
+                    {
+                        "lang": "eng",
+                        "value": "n/a"
+                    }
+                ]
+            }
+        ]
+    },
+    "references": {
+        "reference_data": [
+            {
+                "url": "http://daniels-it-blog.blogspot.com/2020/07/gog-galaxy-escalation-of-privileges.html",
+                "refsource": "MISC",
+                "name": "http://daniels-it-blog.blogspot.com/2020/07/gog-galaxy-escalation-of-privileges.html"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/2020/15xxx/CVE-2020-15530.json b/2020/15xxx/CVE-2020-15530.json
new file mode 100644
index 00000000000..f40e366d4fc
--- /dev/null
+++ b/2020/15xxx/CVE-2020-15530.json
@@ -0,0 +1,62 @@
+{
+    "CVE_data_meta": {
+        "ASSIGNER": "cve@mitre.org",
+        "ID": "CVE-2020-15530",
+        "STATE": "PUBLIC"
+    },
+    "affects": {
+        "vendor": {
+            "vendor_data": [
+                {
+                    "product": {
+                        "product_data": [
+                            {
+                                "product_name": "n/a",
+                                "version": {
+                                    "version_data": [
+                                        {
+                                            "version_value": "n/a"
+                                        }
+                                    ]
+                                }
+                            }
+                        ]
+                    },
+                    "vendor_name": "n/a"
+                }
+            ]
+        }
+    },
+    "data_format": "MITRE",
+    "data_type": "CVE",
+    "data_version": "4.0",
+    "description": {
+        "description_data": [
+            {
+                "lang": "eng",
+                "value": "An issue was discovered in Valve Steam Client 2.10.91.91. The installer allows local users to gain NT AUTHORITY\\SYSTEM privileges because some parts of %PROGRAMFILES(X86)%\\Steam and/or %COMMONPROGRAMFILES(X86)%\\Steam have weak permissions during a critical time window. An attacker can make this time window arbitrarily long by using opportunistic locks."
+            }
+        ]
+    },
+    "problemtype": {
+        "problemtype_data": [
+            {
+                "description": [
+                    {
+                        "lang": "eng",
+                        "value": "n/a"
+                    }
+                ]
+            }
+        ]
+    },
+    "references": {
+        "reference_data": [
+            {
+                "url": "http://daniels-it-blog.blogspot.com/2020/07/steam-arbitrary-code-execution-part-2.html",
+                "refsource": "MISC",
+                "name": "http://daniels-it-blog.blogspot.com/2020/07/steam-arbitrary-code-execution-part-2.html"
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/2020/15xxx/CVE-2020-15531.json b/2020/15xxx/CVE-2020-15531.json
new file mode 100644
index 00000000000..807883f7fe6
--- /dev/null
+++ b/2020/15xxx/CVE-2020-15531.json
@@ -0,0 +1,18 @@
+{
+    "data_type": "CVE",
+    "data_format": "MITRE",
+    "data_version": "4.0",
+    "CVE_data_meta": {
+        "ID": "CVE-2020-15531",
+        "ASSIGNER": "cve@mitre.org",
+        "STATE": "RESERVED"
+    },
+    "description": {
+        "description_data": [
+            {
+                "lang": "eng",
+                "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
+            }
+        ]
+    }
+}
\ No newline at end of file
diff --git a/2020/15xxx/CVE-2020-15532.json b/2020/15xxx/CVE-2020-15532.json
new file mode 100644
index 00000000000..5377fa99ea5
--- /dev/null
+++ b/2020/15xxx/CVE-2020-15532.json
@@ -0,0 +1,18 @@
+{
+    "data_type": "CVE",
+    "data_format": "MITRE",
+    "data_version": "4.0",
+    "CVE_data_meta": {
+        "ID": "CVE-2020-15532",
+        "ASSIGNER": "cve@mitre.org",
+        "STATE": "RESERVED"
+    },
+    "description": {
+        "description_data": [
+            {
+                "lang": "eng",
+                "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
+            }
+        ]
+    }
+}
\ No newline at end of file