diff --git a/source/NVDAObjects/IAccessible/MSHTML.py b/source/NVDAObjects/IAccessible/MSHTML.py
index 80956fd7a0f..16ed0988041 100644
--- a/source/NVDAObjects/IAccessible/MSHTML.py
+++ b/source/NVDAObjects/IAccessible/MSHTML.py
@@ -545,9 +545,11 @@ def _get_treeInterceptorClass(self):
 
 	def _get_isCurrent(self):
 		isCurrent = self.HTMLAttributes["aria-current"]
-		if isCurrent == "false":
-			isCurrent = None
-		return isCurrent
+		try:
+			return controlTypes.IsCurrent(isCurrent)
+		except ValueError:
+			log.debugWarning(f"Unknown aria-current value: {isCurrent}")
+			return controlTypes.IsCurrent.NO
 
 	def _get_HTMLAttributes(self):
 		return HTMLAttribCache(self.HTMLNode)
diff --git a/source/NVDAObjects/IAccessible/ia2Web.py b/source/NVDAObjects/IAccessible/ia2Web.py
index d475130c6d0..03560d315b6 100644
--- a/source/NVDAObjects/IAccessible/ia2Web.py
+++ b/source/NVDAObjects/IAccessible/ia2Web.py
@@ -34,11 +34,13 @@ def _get_positionInfo(self):
 				info['level']=level
 		return info
 
-	def _get_isCurrent(self):
-		current = self.IA2Attributes.get("current", None)
-		if current == "false":
-			current = None
-		return current
+	def _get_isCurrent(self) -> controlTypes.IsCurrent:
+		ia2attrCurrent: str = self.IA2Attributes.get("current", "false")
+		try:
+			return controlTypes.IsCurrent(ia2attrCurrent)
+		except ValueError:
+			log.debugWarning(f"Unknown 'current' IA2Attribute value: {ia2attrCurrent}")
+			return controlTypes.IsCurrent.NO
 
 	def _get_placeholder(self):
 		placeholder = self.IA2Attributes.get('placeholder', None)
diff --git a/source/NVDAObjects/UIA/edge.py b/source/NVDAObjects/UIA/edge.py
index beb661d9808..6efa1655700 100644
--- a/source/NVDAObjects/UIA/edge.py
+++ b/source/NVDAObjects/UIA/edge.py
@@ -156,7 +156,7 @@ def _getControlFieldForObject(self,obj,isEmbedded=False,startOfNode=False,endOfN
 		if obj.role==controlTypes.ROLE_COMBOBOX and obj.UIATextPattern:
 			field['states'].add(controlTypes.STATE_EDITABLE)
 		# report if the field is 'current'
-		field['current']=obj.isCurrent
+		field['current'] = obj.isCurrent
 		if obj.placeholder and obj._isTextEmpty:
 			field['placeholder']=obj.placeholder
 		# For certain controls, if ARIA overrides the label, then force the field's content (value) to the label
@@ -470,15 +470,18 @@ def _get_ariaProperties(self):
 	# "false" is ignored by the regEx and will not produce a match
 	RE_ARIA_CURRENT_PROP_VALUE = re.compile("current=(?!false)(\w+);")
 
-	def _get_isCurrent(self):
+	def _get_isCurrent(self) -> controlTypes.IsCurrent:
 		ariaProperties=self._getUIACacheablePropertyValue(UIAHandler.UIA_AriaPropertiesPropertyId)
 		match = self.RE_ARIA_CURRENT_PROP_VALUE.search(ariaProperties)
-		log.debug("aria props = %s" % ariaProperties)
 		if match:
 			valueOfAriaCurrent = match.group(1)
-			log.debug("aria current value = %s" % valueOfAriaCurrent)
-			return valueOfAriaCurrent
-		return None
+			try:
+				return controlTypes.IsCurrent(valueOfAriaCurrent)
+			except ValueError:
+				log.debugWarning(
+					f"Unknown aria-current value: {valueOfAriaCurrent}, ariaProperties: {ariaProperties}"
+				)
+		return controlTypes.IsCurrent.NO
 
 	def _get_roleText(self):
 		roleText = self.ariaProperties.get('roledescription', None)
diff --git a/source/NVDAObjects/__init__.py b/source/NVDAObjects/__init__.py
index 97067b92011..c671755e972 100644
--- a/source/NVDAObjects/__init__.py
+++ b/source/NVDAObjects/__init__.py
@@ -975,12 +975,13 @@ def _get_statusBar(self):
 		"""
 		return None
 
-	def _get_isCurrent(self):
+	isCurrent: controlTypes.IsCurrent  #: type info for auto property _get_isCurrent
+
+	def _get_isCurrent(self) -> controlTypes.IsCurrent:
 		"""Gets the value that indicates whether this object is the current element in a set of related 
-		elements. This maps to aria-current. Normally returns None. If this object is current
-		it will return one of the following values: "true", "page", "step", "location", "date", "time"
+		elements. This maps to aria-current.
 		"""
-		return None
+		return controlTypes.IsCurrent.NO
 
 	def _get_shouldAcceptShowHideCaretEvent(self):
 		"""Some objects/applications send show/hide caret events when we don't expect it, such as when the cursor is blinking.
diff --git a/source/braille.py b/source/braille.py
index 082aea7d9f4..166f5e75a9c 100644
--- a/source/braille.py
+++ b/source/braille.py
@@ -579,13 +579,9 @@ def getPropertiesBraille(**propertyValues) -> str:  # noqa: C901
 				# %s is replaced with the column number.
 				columnStr = _("c{columnNumber}").format(columnNumber=columnNumber)
 			textList.append(columnStr)
-	current = propertyValues.get('current', False)
-	if current:
-		try:
-			textList.append(controlTypes.isCurrentLabels[current])
-		except KeyError:
-			log.debugWarning("Aria-current value not handled: %s"%current)
-			textList.append(controlTypes.isCurrentLabels[True])
+	isCurrent = propertyValues.get('current', controlTypes.IsCurrent.NO)
+	if isCurrent != controlTypes.IsCurrent.NO:
+		textList.append(isCurrent.displayString)
 	placeholder = propertyValues.get('placeholder', None)
 	if placeholder:
 		textList.append(placeholder)
@@ -670,7 +666,7 @@ def getControlFieldBraille(info, field, ancestors, reportStart, formatConfig):
 
 	states = field.get("states", set())
 	value=field.get('value',None)
-	current=field.get('current', None)
+	current = field.get('current', controlTypes.IsCurrent.NO)
 	placeholder=field.get('placeholder', None)
 	roleText = field.get('roleTextBraille', field.get('roleText'))
 	landmark = field.get("landmark")
diff --git a/source/controlTypes.py b/source/controlTypes.py
index 639a0e3d0a3..b29b4da5b68 100644
--- a/source/controlTypes.py
+++ b/source/controlTypes.py
@@ -6,6 +6,8 @@
 from typing import Dict, Union, Set, Any, Optional, List
 from enum import Enum, auto
 
+from logHandler import log
+
 ROLE_UNKNOWN=0
 ROLE_WINDOW=1
 ROLE_TITLEBAR=2
@@ -649,21 +651,49 @@ class OutputReason(Enum):
 	QUICKNAV = auto()
 
 
-#: Text to use for 'current' values. These describe if an item is the current item 
-#: within a particular kind of selection.
-isCurrentLabels: Dict[Union[bool, str], str] = {
+class IsCurrent(Enum):
+	"""Values to use within NVDA to denote 'current' values.
+	These describe if an item is the current item within a particular kind of selection.
+	EG aria-current
+	"""
+	NO = "false"
+	YES = "true"
+	PAGE = "page"
+	STEP = "step"
+	LOCATION = "location"
+	DATE = "date"
+	TIME = "time"
+
+	@property
+	def displayString(self):
+		"""
+		@return: The translated UI display string that should be used for this value of the IsCurrent enum
+		"""
+		try:
+			return _isCurrentLabels[self]
+		except KeyError:
+			log.debugWarning(f"No translation mapping for: {self}")
+			# there is a value for 'current' but NVDA hasn't learned about it yet,
+			# at least describe in the general sense that this item is 'current'
+			return _isCurrentLabels[IsCurrent.YES]
+
+
+#: Text to use for 'current' values. These describe if an item is the current item
+#: within a particular kind of selection. EG aria-current
+_isCurrentLabels: Dict[Enum, str] = {
+	IsCurrent.NO: "",  # There is nothing extra to say for items that are not current.
 	# Translators: Presented when an item is marked as current in a collection of items
-	True:_("current"),
+	IsCurrent.YES: _("current"),
 	# Translators: Presented when a page item is marked as current in a collection of page items
-	"page":_("current page"),
+	IsCurrent.PAGE: _("current page"),
 	# Translators: Presented when a step item is marked as current in a collection of step items
-	"step":_("current step"),
+	IsCurrent.STEP: _("current step"),
 	# Translators: Presented when a location item is marked as current in a collection of location items
-	"location":_("current location"),
+	IsCurrent.LOCATION: _("current location"),
 	# Translators: Presented when a date item is marked as current in a collection of date items
-	"date":_("current date"),
+	IsCurrent.DATE: _("current date"),
 	# Translators: Presented when a time item is marked as current in a collection of time items
-	"time":_("current time"),
+	IsCurrent.TIME: _("current time"),
 }
 
 
diff --git a/source/speech/__init__.py b/source/speech/__init__.py
index 9bb1064eeba..41d92821c6b 100755
--- a/source/speech/__init__.py
+++ b/source/speech/__init__.py
@@ -362,7 +362,7 @@ def getObjectPropertiesSpeech(  # noqa: C901
 				positionInfo=obj.positionInfo
 		elif value and name == "current":
 			# getPropertiesSpeech names this "current", but the NVDAObject property is
-			# named "isCurrent".
+			# named "isCurrent", it's type should always be controltypes.IsCurrent
 			newPropertyValues['current'] = obj.isCurrent
 		elif value:
 			# Certain properties such as row and column numbers have presentational versions, which should be used for speech if they are available.
@@ -1611,15 +1611,12 @@ def getPropertiesSpeech(  # noqa: C901
 	if rowCount or columnCount:
 		# The caller is entering a table, so ensure that it is treated as a new table, even if the previous table was the same.
 		oldTableID = None
-	ariaCurrent = propertyValues.get('current', False)
-	if ariaCurrent:
-		try:
-			ariaCurrentLabel = controlTypes.isCurrentLabels[ariaCurrent]
-			textList.append(ariaCurrentLabel)
-		except KeyError:
-			log.debugWarning("Aria-current value not handled: %s"%ariaCurrent)
-			ariaCurrentLabel = controlTypes.isCurrentLabels[True]
-			textList.append(ariaCurrentLabel)
+
+	# speak isCurrent property EG aria-current
+	isCurrent = propertyValues.get('current', controlTypes.IsCurrent.NO)
+	if isCurrent != controlTypes.IsCurrent.NO:
+		textList.append(isCurrent.displayString)
+
 	placeholder: Optional[str] = propertyValues.get('placeholder', None)
 	if placeholder:
 		textList.append(placeholder)
@@ -1682,7 +1679,7 @@ def getControlFieldSpeech(  # noqa: C901
 		name = ""
 	states=attrs.get('states',set())
 	keyboardShortcut=attrs.get('keyboardShortcut', "")
-	ariaCurrent=attrs.get('current', None)
+	isCurrent = attrs.get('current', controlTypes.IsCurrent.NO)
 	placeholderValue=attrs.get('placeholder', None)
 	value=attrs.get('value',"")
 	if reason == OutputReason.FOCUS or attrs.get('alwaysReportDescription', False):
@@ -1712,7 +1709,7 @@ def getControlFieldSpeech(  # noqa: C901
 		keyboardShortcutSequence = getPropertiesSpeech(
 			reason=reason, keyboardShortcut=keyboardShortcut
 		)
-	ariaCurrentSequence = getPropertiesSpeech(reason=reason, current=ariaCurrent)
+	isCurrentSequence = getPropertiesSpeech(reason=reason, current=isCurrent)
 	placeholderSequence = getPropertiesSpeech(reason=reason, placeholder=placeholderValue)
 	nameSequence = getPropertiesSpeech(reason=reason, name=name)
 	valueSequence = getPropertiesSpeech(reason=reason, value=value)
@@ -1829,7 +1826,7 @@ def getControlFieldSpeech(  # noqa: C901
 			getProps['columnHeaderText'] = attrs.get("table-columnheadertext")
 		tableCellSequence = getPropertiesSpeech(_tableID=tableID, **getProps)
 		tableCellSequence.extend(stateTextSequence)
-		tableCellSequence.extend(ariaCurrentSequence)
+		tableCellSequence.extend(isCurrentSequence)
 		types.logBadSequenceTypes(tableCellSequence)
 		return tableCellSequence
 
@@ -1878,7 +1875,7 @@ def getControlFieldSpeech(  # noqa: C901
 		out.extend(stateTextSequence if speakStatesFirst else roleTextSequence)
 		out.extend(roleTextSequence if speakStatesFirst else stateTextSequence)
 		out.append(containerContainsText)
-		out.extend(ariaCurrentSequence)
+		out.extend(isCurrentSequence)
 		out.extend(valueSequence)
 		out.extend(descriptionSequence)
 		out.extend(levelSequence)
@@ -1913,8 +1910,8 @@ def getControlFieldSpeech(  # noqa: C901
 	# Special cases
 	elif not speakEntry and fieldType in ("start_addedToControlFieldStack","start_relative"):
 		out = []
-		if ariaCurrent:
-			out.extend(ariaCurrentSequence)
+		if isCurrent != controlTypes.IsCurrent.NO:
+			out.extend(isCurrentSequence)
 		# Speak expanded / collapsed / level for treeview items (in ARIA treegrids)
 		if role == controlTypes.ROLE_TREEVIEWITEM:
 			if controlTypes.STATE_EXPANDED in states:
diff --git a/source/virtualBuffers/MSHTML.py b/source/virtualBuffers/MSHTML.py
index 204a92f9705..797c7477de2 100644
--- a/source/virtualBuffers/MSHTML.py
+++ b/source/virtualBuffers/MSHTML.py
@@ -48,9 +48,17 @@ def _normalizeFormatField(self, attrs):
 
 	def _normalizeControlField(self,attrs):
 		level=None
-		ariaCurrent = attrs.get('HTMLAttrib::aria-current', None)
-		if ariaCurrent not in (None, "false"):
-			attrs['current']=ariaCurrent
+
+		ariaCurrentValue = attrs.get('HTMLAttrib::aria-current', 'false')
+		try:
+			ariaCurrent = controlTypes.IsCurrent(ariaCurrentValue)
+		except ValueError:
+			log.debugWarning(f"Unknown aria-current value: {ariaCurrentValue}")
+			ariaCurrent = controlTypes.IsCurrent.NO
+
+		if ariaCurrent != controlTypes.IsCurrent.NO:
+			attrs['current'] = ariaCurrent
+
 		placeholder = self._getPlaceholderAttribute(attrs, 'HTMLAttrib::aria-placeholder')
 		if placeholder:
 			attrs['placeholder']=placeholder
diff --git a/source/virtualBuffers/gecko_ia2.py b/source/virtualBuffers/gecko_ia2.py
index c2ac7be94c3..910cdb94845 100755
--- a/source/virtualBuffers/gecko_ia2.py
+++ b/source/virtualBuffers/gecko_ia2.py
@@ -52,9 +52,14 @@ def _normalizeControlField(self,attrs):
 			if attrVal is not None:
 				attrs[attr]=int(attrVal)
 
-		current = attrs.get("IAccessible2::attribute_current")
-		if current not in (None, 'false'):
-			attrs['current']= current
+		valForCurrent = attrs.get("IAccessible2::attribute_current", "false")
+		try:
+			isCurrent = controlTypes.IsCurrent(valForCurrent)
+		except ValueError:
+			log.debugWarning(f"Unknown isCurrent value: {valForCurrent}")
+			isCurrent = controlTypes.IsCurrent.NO
+		if isCurrent != controlTypes.IsCurrent.NO:
+			attrs['current'] = isCurrent
 		placeholder = self._getPlaceholderAttribute(attrs, "IAccessible2::attribute_placeholder")
 		if placeholder is not None:
 			attrs['placeholder']= placeholder
diff --git a/user_docs/en/changes.t2t b/user_docs/en/changes.t2t
index 5eafac90abb..2f53c3aaa56 100644
--- a/user_docs/en/changes.t2t
+++ b/user_docs/en/changes.t2t
@@ -37,6 +37,15 @@ What's New in NVDA
  - getConfigDirs - use globalVars.appArgs.configPath instead
 - Module level REASON_* constants are removed from controlTypes - please use controlTypes.OutputReason instead. (#11969)
 - REASON_QUICKNAV has been removed from browseMode - use controlTypes.OutputReason.QUICKNAV instead. (#11969)
+- 'NVDAObject' (and derivatives) property 'isCurrent' now strictly returns Enum class 'controlTypes.IsCurrent'. (#11782)
+  - 'isCurrent' is no longer Optional, and thus will not return None.
+  - When an object is not current 'controlTypes.IsCurrent.NO' is returned.
+- The 'controlTypes.isCurrentLabels' mapping has been removed. (#11782)
+  - Instead use the 'displayString' property on a 'controlTypes.IsCurrent' enum value. EG 'controlTypes.IsCurrent.YES.displayString'
+- 'NVDAObject' (and derivatives) property 'isCurrent' now strictly returns 'controlTypes.IsCurrent'. (#11782)
+  - 'isCurrent' is no longer Optional, and thus will not return None, when an object is not current 'controlTypes.IsCurrent.NO' is returned.
+- The 'controlTypes.isCurrentLabels' has been removed, instead use the 'displayString' property on a 'controlTypes.IsCurrent' enum value. (#11782)
+  - EG 'controlTypes.IsCurrent.YES.displayString'
 
 
 = 2020.4 =